APA (7th ed.) Citation

Smith, N. B., & Courtis, S. A. (1924). Teacher's manual. World Book Company.

Chicago Style (17th ed.) Citation

Smith, Nila Banton, and Stuart A. Courtis. Teacher's Manual. Yonkers-on-Hudson, New York, Chicago: World Book Company, 1924.

MLA (8th ed.) Citation

Smith, Nila Banton, and Stuart A. Courtis. Teacher's Manual. World Book Company, 1924.