APA (7th ed.) Citation

Levy, J. (1975). The baby exercise book: For the first fifteen months (Updated and expanded ed.). Pantheon Books.

Chicago Style (17th ed.) Citation

Levy, Janine. The Baby Exercise Book: For the First Fifteen Months. Updated and expanded ed. New York: Pantheon Books, 1975.

MLA (9th ed.) Citation

Levy, Janine. The Baby Exercise Book: For the First Fifteen Months. Updated and expanded ed. Pantheon Books, 1975.