APA (7th ed.) Citation

Bea, F. X., Helm, R., & Schweitzer, M. (2009). BWL-Lexikon. Lucius & Lucius.

Chicago Style (17th ed.) Citation

Bea, Franz Xaver, Roland Helm, and Marcell Schweitzer. BWL-Lexikon. Stuttgart: Lucius & Lucius, 2009.

MLA (9th ed.) Citation

Bea, Franz Xaver, et al. BWL-Lexikon. Lucius & Lucius, 2009.