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].
Cita Chicago Style (17a ed.)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.
Cita MLA (8a ed.)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.
Precaución: Estas citas no son 100% exactas.