Cita APA (7a ed.)

Hanfling, O. (1972). Fundamental problems in philosophy. Basil Blackwell.

Cita Chicago Style (17a ed.)

Hanfling, Oswald. Fundamental Problems in Philosophy. Bristol: Basil Blackwell, 1972.

Cita MLA (9a ed.)

Hanfling, Oswald. Fundamental Problems in Philosophy. Basil Blackwell, 1972.