APA (7th ed.) Citation

Bowman, C. E., Percy, A. L., & Nichols, F. G. (1941). Business and bookkeeping procedures. American Book Co.

Chicago Style (17th ed.) Citation

Bowman, Charles E., Atlee L. Percy, and Frederick George Nichols. Business and Bookkeeping Procedures. New York: American Book Co, 1941.

MLA (9th ed.) Citation

Bowman, Charles E., et al. Business and Bookkeeping Procedures. American Book Co, 1941.