APA (7th ed.) Citation

McCarthy Jr., J. J., Martin, M. C., & Gildenhorn, M. (1980). The ovulation method: An instructional program with charts and text. The Human Life and Natural Family Planning Foundation.

Chicago Style (17th ed.) Citation

McCarthy Jr., John J., Mary Catherine Martin, and Marjorie Gildenhorn. The Ovulation Method: An Instructional Program with Charts and Text. Washington, D.C.: The Human Life and Natural Family Planning Foundation, 1980.

MLA (9th ed.) Citation

McCarthy Jr., John J., et al. The Ovulation Method: An Instructional Program with Charts and Text. The Human Life and Natural Family Planning Foundation, 1980.