APA (7th ed.) Citation

Bettens, E. D., & Williams, A. (1918). Louise E. Bettens. [publisher not identified].

Chicago Style (17th ed.) Citation

Bettens, Edward Detraz, and Alyn Williams. Louise E. Bettens. New York: [publisher not identified], 1918.

MLA (9th ed.) Citation

Bettens, Edward Detraz, and Alyn Williams. Louise E. Bettens. [publisher not identified], 1918.