Cita APA

Gerber, R., & Gerber, R. (1973). Utopian fantasy (1. edition.). New York, New York: McGraw-Hill.

Citación estilo Chicago

Gerber, Richard, y Richard Gerber. Utopian Fantasy. 1. edition. New York, New York: McGraw-Hill, 1973.

Cita MLA

Gerber, Richard, y Richard Gerber. Utopian Fantasy. 1. edition. New York, New York: McGraw-Hill, 1973.