APA (7th ed.) Citation

Sears, W., & Sears, M. (1993). The baby book: Everything you need to know about your baby--from birth to age two. Little, Brown.

Chicago Style (17th ed.) Citation

Sears, William, and Martha Sears. The Baby Book: Everything You Need to Know About Your Baby--from Birth to Age Two. Boston: Little, Brown, 1993.

MLA (9th ed.) Citation

Sears, William, and Martha Sears. The Baby Book: Everything You Need to Know About Your Baby--from Birth to Age Two. Little, Brown, 1993.