Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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