Cita APA (7th ed.)

Greenberg, J. (1972). In this sign. Avon Publishers of bard.

Cita Chicago (17th ed.)

Greenberg, Joanne. In This Sign. New York: Avon Publishers of bard, 1972.

Cita MLA (9th ed.)

Greenberg, Joanne. In This Sign. Avon Publishers of bard, 1972.