APA

Duval S., . (1972). A theory of objective self awareness. New York: Academic Press.

Chicago

Duval Shelley, . 1972. A theory of objective self awareness. New York: Academic Press.

Harvard

Duval S., . (1972). A theory of objective self awareness. New York: Academic Press.

MLA

Duval Shelley, . A theory of objective self awareness. New York: Academic Press. 1972.