APA (7th ed.) Citation

Spock, B., & Needlman, R. (2011). Dr. Spock's baby and child care (9th ed.). Pocket Books.

Chicago Style (17th ed.) Citation

Spock, Benjamin, and Robert Needlman. Dr. Spock's Baby and Child Care. 9th ed. New York: Pocket Books, 2011.

MLA (9th ed.) Citation

Spock, Benjamin, and Robert Needlman. Dr. Spock's Baby and Child Care. 9th ed. Pocket Books, 2011.

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