APA (7th ed.) Citation

Hafner, L., & Philipp, E. (1987). Ökologie. Schroedel.

Chicago Style (17th ed.) Citation

Hafner, Lutz, and Eckhard Philipp. Ökologie. Hannover: Schroedel, 1987.

MLA (9th ed.) Citation

Hafner, Lutz, and Eckhard Philipp. Ökologie. Schroedel, 1987.

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