APA (7th ed.) Citation

Puchta, H., & Gerngross, G. Playway to english: Teacher's guide 3.

Chicago Style (17th ed.) Citation

Puchta, Herbert, and Günter Gerngross. Playway to English: Teacher's Guide 3.

MLA (8th ed.) Citation

Puchta, Herbert, and Günter Gerngross. Playway to English: Teacher's Guide 3.

Warning: These citations may not always be 100% accurate.