APA (7th ed.) Citation

Drück, P., Schwenk, B., Ullrich, W., & Steffl, T. (2001). Baumgrenze. Revolver.

Chicago Style (17th ed.) Citation

Drück, Patricia, Bernhart Schwenk, Wolfgang Ullrich, and Thomas Steffl. Baumgrenze. München: Revolver, 2001.

MLA (8th ed.) Citation

Drück, Patricia, et al. Baumgrenze. Revolver, 2001.