APA استشهاد

Stevenson, L. (1974). Seven theories of human nature. Clarendon Press.

استشهاد بنمط شيكاغو

Stevenson, Leslie. Seven Theories of Human Nature. Oxford: Clarendon Press, 1974.

MLA استشهاد

Stevenson, Leslie. Seven Theories of Human Nature. Clarendon Press, 1974.