Jefferis, B. G., Nichols, J. L., Davis, O. S., & Drake, E. F. A. (1930). Safe counsel, or, Practical eugenics: To which has been added, The story of life (40th ed.). Franklin Pub. Company.
Chicago Style (17th ed.) CitationJefferis, B. G., J. L. Nichols, Ozora Stearns Davis, and Emma F. Angell Drake. Safe Counsel, or, Practical Eugenics: To Which Has Been Added, The Story of Life. 40th ed. Chicago, Ill.: Franklin Pub. Company, 1930.
MLA (9th ed.) CitationJefferis, B. G., et al. Safe Counsel, or, Practical Eugenics: To Which Has Been Added, The Story of Life. 40th ed. Franklin Pub. Company, 1930.
Warning: These citations may not always be 100% accurate.