Παραπομπή APA

Dewey, R. E., & Gould, A. J. (1970). Freedom: Its History, Nature and Varities. Macmillan.

Παραπομπή Chicago Style

Dewey, Robert E., και A. James Gould. Freedom: Its History, Nature and Varities. London: Macmillan, 1970.

Παραπομπή MLA

Dewey, Robert E., και A. James Gould. Freedom: Its History, Nature and Varities. Macmillan, 1970.