APA

Baldwin J. M., . (1905). Elements of Psychology. London: Macmillan.

Chicago

Baldwin James Mark, . 1905. Elements of Psychology. London: Macmillan.

Harvard

Baldwin J. M., . (1905). Elements of Psychology. London: Macmillan.

MLA

Baldwin James Mark, . Elements of Psychology. London: Macmillan. 1905.