Cita APA (7a ed.)

Gulley, N. (1968). The philosophy of Socrates. MacMillan [etc.].

Cita Chicago Style (17a ed.)

Gulley, Norman. The Philosophy of Socrates. London [etc.]: MacMillan [etc.], 1968.

Cita MLA (9a ed.)

Gulley, Norman. The Philosophy of Socrates. MacMillan [etc.], 1968.