APA (7th ed.) Citation

Sommerfeld, R. M., Brock, H. R., & Anderson, H. M. (1980). An introduction to taxation (1981 ed.). Harcourt Brace Jovanovich.

Chicago Style (17th ed.) Citation

Sommerfeld, Ray M., Horace R. Brock, and Hershel M. Anderson. An Introduction to Taxation. 1981 ed. New York: Harcourt Brace Jovanovich, 1980.

MLA (9th ed.) Citation

Sommerfeld, Ray M., et al. An Introduction to Taxation. 1981 ed. Harcourt Brace Jovanovich, 1980.