Citazione Stile APA (7a Edizione)

Burton & Robert G. (1980). Philosophy: A Literary and Conceptual Approach (2nd ed.). Harcourt Brace Jovanovich.

Citazione stile Chigago Style (17a edizione)

Burton e Robert G. Philosophy: A Literary and Conceptual Approach. 2nd ed. New York: Harcourt Brace Jovanovich, 1980.

Citatione MLA (9a ed.)

Burton e Robert G. Philosophy: A Literary and Conceptual Approach. 2nd ed. Harcourt Brace Jovanovich, 1980.