APA (7th ed.) Citation

Helmkamp, J. G., Imdieke, L. F., & Smith, R. E. (1986). Principles of accounting (2a. ed.). John Wiley.

Chicago Style (17th ed.) Citation

Helmkamp, John G., Leroy F. Imdieke, and Ralph E. Smith. Principles of Accounting. 2a. ed. Nueva York: John Wiley, 1986.

MLA (9th ed.) Citation

Helmkamp, John G., et al. Principles of Accounting. 2a. ed. John Wiley, 1986.