APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Helmkamp, John G., Leroy F. Imdieke, and Ralph Eugene Smith. Principles of Accounting. 2nd ed. New York: John Wiley, 1986.

MLA (9th ed.) Citation

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