APA ציטוט

Jefferis, B. G., & Nichols, J. L. (1920). Searchlights on health: The science of eugenics ; a guide to purity and physical manhood, advice to maiden, wife and mother, love, courtship, and marriage. J.L. Nichols.

Chicago Style (17th ed.) Citation

Jefferis, B. G., and J. L. Nichols. Searchlights on Health: The Science of Eugenics ; a Guide to Purity and Physical Manhood, Advice to Maiden, Wife and Mother, Love, Courtship, and Marriage. Naperville, Ill.: J.L. Nichols, 1920.

ציטוט MLA

Jefferis, B. G., and J. L. Nichols. Searchlights on Health: The Science of Eugenics ; a Guide to Purity and Physical Manhood, Advice to Maiden, Wife and Mother, Love, Courtship, and Marriage. J.L. Nichols, 1920.