APA (7th ed.) Citation
Baldwin, E. M., & Benson, D. V. (1966). Henrietta Mears and how she did it. Regal Books.
Chicago Style (17th ed.) Citation
Baldwin, Ethel May, and David V. Benson. Henrietta Mears and How She Did It. California: Regal Books, 1966.
MLA (9th ed.) Citation
Baldwin, Ethel May, and David V. Benson. Henrietta Mears and How She Did It. Regal Books, 1966.
Warning: These citations may not always be 100% accurate.