APA (7th ed.) Citation

Kopleck, H., & Stephenson, C. (1986). German travel pack. Hugo's Language Books.

Chicago Style (17th ed.) Citation

Kopleck, Horst, and Chris Stephenson. German Travel Pack. Woodbridge, Suffolk, Great Britain: Hugo's Language Books, 1986.

MLA (9th ed.) Citation

Kopleck, Horst, and Chris Stephenson. German Travel Pack. Hugo's Language Books, 1986.