APA (7th ed.) Citation

Guttmacher, A. F. (1956). Pregnancy and birth: A book for expectant parents. Signet Key Book.

Chicago Style (17th ed.) Citation

Guttmacher, Alan Frank. Pregnancy and Birth: A Book for Expectant Parents. NY: Signet Key Book, 1956.

MLA (9th ed.) Citation

Guttmacher, Alan Frank. Pregnancy and Birth: A Book for Expectant Parents. Signet Key Book, 1956.

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