APA (7th ed.) Citation

Buswell, G. T., Brownell, W. A., & Sauble, I. (1955). Arithmetic we need: Grade 6. Ginn & Co..

Chicago Style (17th ed.) Citation

Buswell, Guy T., William A. Brownell, and Irene Sauble. Arithmetic We Need: Grade 6. Boston: Ginn & Co., 1955.

MLA (9th ed.) Citation

Buswell, Guy T., et al. Arithmetic We Need: Grade 6. Ginn & Co., 1955.