APA (7th ed.) Citation

Gerngross, G., & Puchta, H. Playway to english: Activity book 1.

Chicago Style (17th ed.) Citation

Gerngross, Günter, and Herbert Puchta. Playway to English: Activity Book 1.

MLA (8th ed.) Citation

Gerngross, Günter, and Herbert Puchta. Playway to English: Activity Book 1.

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