APA (7th ed.) Citation

Birney, B. G. (2008). Surprises according to Humphrey. G. P. Putnam's Sons.

Chicago Style (17th ed.) Citation

Birney, Betty G. Surprises According to Humphrey. New York: G. P. Putnam's Sons, 2008.

MLA (8th ed.) Citation

Birney, Betty G. Surprises According to Humphrey. G. P. Putnam's Sons, 2008.

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