APA

Stevenson L., . (1987). Seven Theories of Human Nature. New York: Oxford University Press.

Chicago

Stevenson Leslie, . 1987. Seven Theories of Human Nature. New York: Oxford University Press.

Harvard

Stevenson L., . (1987). Seven Theories of Human Nature. New York: Oxford University Press.

MLA

Stevenson Leslie, . Seven Theories of Human Nature. New York: Oxford University Press. 1987.