APA (7th ed.) Citation

Ridgley, D. C., Dillion, J. M., Dexheimer, L. M., Imboden, E. F., & Thoene, C. A. (1922). A five year course of study in geography for the elementary school. McKnight & McKnight, Publishers.

Chicago Style (17th ed.) Citation

Ridgley, Douglas C., Jessie May Dillion, Lora Mary Dexheimer, Erma F. Imboden, and Christine A. Thoene. A Five Year Course of Study in Geography for the Elementary School. Normal, Ill.: McKnight & McKnight, Publishers, 1922.

MLA (8th ed.) Citation

Ridgley, Douglas C., et al. A Five Year Course of Study in Geography for the Elementary School. McKnight & McKnight, Publishers, 1922.