APA (7th ed.) Citation

Jones, E., Morgan, E., & Stevens, G. (1950). Methods and materials in elementary physical education. World Book Comp.

Chicago Style (17th ed.) Citation

Jones, Edwina, Edna Morgan, and Gladys Stevens. Methods and Materials in Elementary Physical Education. Yonkers-on-Hudson: World Book Comp, 1950.

MLA (9th ed.) Citation

Jones, Edwina, et al. Methods and Materials in Elementary Physical Education. World Book Comp, 1950.