APA (7th ed.) Citation

Martin, M. C. (1978). Natural family planning instructor training. Guide. Human Life and Natural Family Planning Foundation.

Chicago Style (17th ed.) Citation

Martin, Mary Catherine. Natural Family Planning Instructor Training. Guide. Washington, D.C.: Human Life and Natural Family Planning Foundation, 1978.

MLA (9th ed.) Citation

Martin, Mary Catherine. Natural Family Planning Instructor Training. Guide. Human Life and Natural Family Planning Foundation, 1978.