APA (7th ed.) Citation

(1970). Nature's secrets revealed: Scientific knowledge of the laws of sex life and heredity, or eugenics ; vital information for the married and marriable of all ages ; ... ; together with important hints on social purity, .. (profusely illustrated, replica ed. [der Ausg.] Marietta, Ohio, 1917.). Doubleday.

Chicago Style (17th ed.) Citation

Nature's Secrets Revealed: Scientific Knowledge of the Laws of Sex Life and Heredity, or Eugenics ; Vital Information for the Married and Marriable of All Ages ; ... ; Together with Important Hints on Social Purity, .. profusely illustrated, replica ed. [der Ausg.] Marietta, Ohio, 1917. Garden City, NY: Doubleday, 1970.

MLA (9th ed.) Citation

Nature's Secrets Revealed: Scientific Knowledge of the Laws of Sex Life and Heredity, or Eugenics ; Vital Information for the Married and Marriable of All Ages ; ... ; Together with Important Hints on Social Purity, .. profusely illustrated, replica ed. [der Ausg.] Marietta, Ohio, 1917. Doubleday, 1970.