Cita APA (7a ed.)

Knight, D. (1989). A companion to the physical sciences. Routledge.

Cita Chicago Style (17a ed.)

Knight, David. A Companion to the Physical Sciences. London [etc.]: Routledge, 1989.

Cita MLA (9a ed.)

Knight, David. A Companion to the Physical Sciences. Routledge, 1989.