APA (7th ed.) Citation

Sears, W., & Sears, M. (1991). Keys to breast feeding. Barron's.

Chicago Style (17th ed.) Citation

Sears, William, and Martha Sears. Keys to Breast Feeding. New York: Barron's, 1991.

MLA (9th ed.) Citation

Sears, William, and Martha Sears. Keys to Breast Feeding. Barron's, 1991.