Cita APA (7a ed.)

Collinson, D. (1987). Fifty major philosophers: A reference guide. Routledge.

Cita Chicago Style (17a ed.)

Collinson, Diané. Fifty Major Philosophers: A Reference Guide. London ; New York: Routledge, 1987.

Cita MLA (9a ed.)

Collinson, Diané. Fifty Major Philosophers: A Reference Guide. Routledge, 1987.