APA (7th ed.) Citation

Vail, V. H., Sparks, K., & Huber, T. (1978). Modern German (2. ed.). Harcourt Brace Jovanovich.

Chicago Style (17th ed.) Citation

Vail, Van H., Kimberly Sparks, and Thomas Huber. Modern German. 2. ed. New York [u. a.]: Harcourt Brace Jovanovich, 1978.

MLA (9th ed.) Citation

Vail, Van H., et al. Modern German. 2. ed. Harcourt Brace Jovanovich, 1978.