APA (7th ed.) Citation

Gardner, R. A. (1978). The boys and girls book about one-parent families. G. P. Putnam.

Chicago Style (17th ed.) Citation

Gardner, Richard A. The Boys and Girls Book About One-parent Families. Nueva York: G. P. Putnam, 1978.

MLA (9th ed.) Citation

Gardner, Richard A. The Boys and Girls Book About One-parent Families. G. P. Putnam, 1978.