APA (7th ed.) Citation

Steck, H., & Weberling, F. (1989). Infloreszenzuntersuchungen an Apocynaceae. Steiner-Verl. Wiesbaden.

Chicago Style (17th ed.) Citation

Steck, Hans-Jürgen, and Focko Weberling. Infloreszenzuntersuchungen an Apocynaceae. Stuttgart: Steiner-Verl. Wiesbaden, 1989.

MLA (9th ed.) Citation

Steck, Hans-Jürgen, and Focko Weberling. Infloreszenzuntersuchungen an Apocynaceae. Steiner-Verl. Wiesbaden, 1989.

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