APA (7th ed.) Citation

Taylor, H. F., & Haas, W. (1986). German, a self-teaching guide. Wiley.

Chicago Style (17th ed.) Citation

Taylor, Heimy F., and Werner Haas. German, a Self-teaching Guide. New York: Wiley, 1986.

MLA (9th ed.) Citation

Taylor, Heimy F., and Werner Haas. German, a Self-teaching Guide. Wiley, 1986.