APA (7th ed.) Citation

Birney, B. G. (2014). Secrets according to Humphrey. G.P. Putnam's Sons, An imprint of Penguin Group (USA) Inc..

Chicago Style (17th ed.) Citation

Birney, Betty G. Secrets According to Humphrey. New York, NY: G.P. Putnam's Sons, An imprint of Penguin Group (USA) Inc., 2014.

MLA (8th ed.) Citation

Birney, Betty G. Secrets According to Humphrey. G.P. Putnam's Sons, An imprint of Penguin Group (USA) Inc., 2014.

Warning: These citations may not always be 100% accurate.