APA (7th ed.) Citation

Karp, H. (2012). The happiest baby guide to great sleep: Simple solutions for kids from birth to 5 years. William Morrow ; Publishers Group UK [distributor].

Chicago Style (17th ed.) Citation

Karp, Harvey. The Happiest Baby Guide to Great Sleep: Simple Solutions for Kids from Birth to 5 Years. New York : Enfield: William Morrow ; Publishers Group UK [distributor], 2012.

MLA (8th ed.) Citation

Karp, Harvey. The Happiest Baby Guide to Great Sleep: Simple Solutions for Kids from Birth to 5 Years. William Morrow ; Publishers Group UK [distributor], 2012.

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