APA (7th ed.) Citation

Helmkamp, J. G., Imdieke, L. F., & Smith, R. E. (1985). Principles of accounting (2. ed.). Wiley.

Chicago Style (17th ed.) Citation

Helmkamp, John G., Leroy F. Imdieke, and Ralph E. Smith. Principles of Accounting. 2. ed. New York u.a: Wiley, 1985.

MLA (9th ed.) Citation

Helmkamp, John G., et al. Principles of Accounting. 2. ed. Wiley, 1985.