APA (7th ed.) Citation

Heißenbüttel, H. (1986). Textbuch. Walter [u.a.].

Chicago Style (17th ed.) Citation

Heißenbüttel, Helmut. Textbuch. Olten [u.a.]: Walter [u.a.], 1986.

MLA (9th ed.) Citation

Heißenbüttel, Helmut. Textbuch. Walter [u.a.], 1986.

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