APA (7th ed.) Citation

Ford, E. E., & Zorn, R. L. (1974). Why marriage? ([1st ed.].). Argus Communications.

Chicago Style (17th ed.) Citation

Ford, Edward E., and Robert L. Zorn. Why Marriage? [1st ed.]. Niles, Ill.,: Argus Communications, 1974.

MLA (8th ed.) Citation

Ford, Edward E., and Robert L. Zorn. Why Marriage? [1st ed.]. Argus Communications, 1974.