APA (7th ed.) Citation

Puchta, H., & Schratz, M. Teaching teenagers (3a ed.).

Chicago Style (17th ed.) Citation

Puchta, Herbert, and Michael Schratz. Teaching Teenagers. 3a ed.

MLA (8th ed.) Citation

Puchta, Herbert, and Michael Schratz. Teaching Teenagers. 3a ed.

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