APA

Levenstein A., Agar W., . (1965). Freedom's advocate: A twenty-five year chronicle. New York: Viking Press.

Chicago

Levenstein Aaron, Agar William, . 1965. Freedom's advocate: A twenty-five year chronicle. New York: Viking Press.

Harvard

Levenstein A., Agar W., . (1965). Freedom's advocate: A twenty-five year chronicle. New York: Viking Press.

MLA

Levenstein Aaron, Agar William, . Freedom's advocate: A twenty-five year chronicle. New York: Viking Press. 1965.