Citazione Stile APA (7a Edizione)

Ewing, A. C. (1980). The fundamental questions of philosophy. Routledge and Kegan Paul.

Citazione stile Chigago Style (17a edizione)

Ewing, Alfred Cyril. The Fundamental Questions of Philosophy. London: Routledge and Kegan Paul, 1980.

Citatione MLA (9a ed.)

Ewing, Alfred Cyril. The Fundamental Questions of Philosophy. Routledge and Kegan Paul, 1980.