APA (7 ম সংস্করণ) উদ্ধৃতি

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.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Jefferis, B. G., এবং 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.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Jefferis, B. G., এবং 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.