APA (7th ed.) Citation

Taylor, H. F., & Haas, W. (1997). German: A self-teaching guide (2nd ed.). Wiley.

Chicago Style (17th ed.) Citation

Taylor, Heimy F., and Werner Haas. German: A Self-teaching Guide. 2nd ed. New York: Wiley, 1997.

MLA (9th ed.) Citation

Taylor, Heimy F., and Werner Haas. German: A Self-teaching Guide. 2nd ed. Wiley, 1997.