APA (7th ed.) Citation

Lengeler, J. W., Drews, G., & Schlegel, H. G. (1999). Biology of the prokaryotes. Thieme.

Chicago Style (17th ed.) Citation

Lengeler, Joseph W., Gerhart Drews, and Hans Günter Schlegel. Biology of the Prokaryotes. Stuttgart: Thieme, 1999.

MLA (9th ed.) Citation

Lengeler, Joseph W., et al. Biology of the Prokaryotes. Thieme, 1999.