APA (7th ed.) Citation

Priesack, T., & Tomscha, T. (1991). One world: Teacher's book 1. Cassell.

Chicago Style (17th ed.) Citation

Priesack, Tim, and Terry Tomscha. One World: Teacher's Book 1. London: Cassell, 1991.

MLA (9th ed.) Citation

Priesack, Tim, and Terry Tomscha. One World: Teacher's Book 1. Cassell, 1991.