Cita APA (7a ed.)

Hemstock, H. F., Kanzer, E. M., & Schaaf, W. L. (1973). Essentials of business arithmetic (4th ed.). Redwood Press Limited.

Cita Chicago Style (17a ed.)

Hemstock, H. F., Edward Miller Kanzer, y William L. Schaaf. Essentials of Business Arithmetic. 4th ed. Great Britain.: Redwood Press Limited, 1973.

Cita MLA (9a ed.)

Hemstock, H. F., et al. Essentials of Business Arithmetic. 4th ed. Redwood Press Limited, 1973.