APA (7th ed.) Citation

Wildermuth, H., & Krebs, A. (1981). Libellen: Kleinodien unserer Gewässer. SBN.

Chicago Style (17th ed.) Citation

Wildermuth, Hansruedi, and Albert Krebs. Libellen: Kleinodien Unserer Gewässer. Basel: SBN, 1981.

MLA (9th ed.) Citation

Wildermuth, Hansruedi, and Albert Krebs. Libellen: Kleinodien Unserer Gewässer. SBN, 1981.

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