Citazione Stile APA (7a Edizione)

Solomon, R. C. (1977). Introducing philosophy: Problems and perspectives. Harcourt Brace Jovanovich.

Citazione stile Chigago Style (17a edizione)

Solomon, Robert C. Introducing Philosophy: Problems and Perspectives. New York: Harcourt Brace Jovanovich, 1977.

Citatione MLA (9a ed.)

Solomon, Robert C. Introducing Philosophy: Problems and Perspectives. Harcourt Brace Jovanovich, 1977.