APA (7th ed.) Citation

Giehl, J., Giehrl, H. E., Bamberger, R., & Beisbart, O. (1974). Lesebuch. Ehrenwirth.

Chicago Style (17th ed.) Citation

Giehl, Josef, Hans E. Giehrl, Richard Bamberger, and Ortwin Beisbart. Lesebuch. München: Ehrenwirth, 1974.

MLA (9th ed.) Citation

Giehl, Josef, et al. Lesebuch. Ehrenwirth, 1974.

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