APA (7th ed.) Citation

Edgerton, E. I., & Bartholomew, W. E. (1921). Business mathematics; a textbook for schools. Ronald Press.

Chicago Style (17th ed.) Citation

Edgerton, Edward Ira, and Wallace Edgar Bartholomew. Business Mathematics; a Textbook for Schools. New York: Ronald Press, 1921.

MLA (9th ed.) Citation

Edgerton, Edward Ira, and Wallace Edgar Bartholomew. Business Mathematics; a Textbook for Schools. Ronald Press, 1921.