Cita APA (7a ed.)

Dyer, W. W. (1981). The sky's the limit. Pocket Books.

Cita Chicago Style (17a ed.)

Dyer, Wayne W. The Sky's the Limit. New York [etc.]: Pocket Books, 1981.

Cita MLA (9a ed.)

Dyer, Wayne W. The Sky's the Limit. Pocket Books, 1981.