APA
Webster N., Porter N., . (1907). International Dictionary of the English Language, beeng the authentic edition of Webster's unabridged Dictionary comprising the issues of 1864, 1879 and 1884 thoroughly revised and much enlarged under the supervision of Noah Porter; with a voluminous Apppendix, to wich is now added a Supplement of 25 thousand words and phrases, W. T. Harris, editor in Chief. London: George Ball.
Chicago
Webster Noah, Porter Noah, . 1907. International Dictionary of the English Language, beeng the authentic edition of Webster's unabridged Dictionary comprising the issues of 1864, 1879 and 1884 thoroughly revised and much enlarged under the supervision of Noah Porter; with a voluminous Apppendix, to wich is now added a Supplement of 25 thousand words and phrases, W. T. Harris, editor in Chief. London: George Ball.
Harvard
Webster N., Porter N., . (1907). International Dictionary of the English Language, beeng the authentic edition of Webster's unabridged Dictionary comprising the issues of 1864, 1879 and 1884 thoroughly revised and much enlarged under the supervision of Noah Porter; with a voluminous Apppendix, to wich is now added a Supplement of 25 thousand words and phrases, W. T. Harris, editor in Chief. London: George Ball.
MLA
Webster Noah, Porter Noah, . International Dictionary of the English Language, beeng the authentic edition of Webster's unabridged Dictionary comprising the issues of 1864, 1879 and 1884 thoroughly revised and much enlarged under the supervision of Noah Porter; with a voluminous Apppendix, to wich is now added a Supplement of 25 thousand words and phrases, W. T. Harris, editor in Chief. London: George Ball. 1907.