APA (7th ed.) Citation

Krienitz, L., Hegewald, E., Hepperle, D., & Wolf, M. The systematics of coccoid green algae: 18S rRNA gene sequence data versus morphology.

Chicago Style (17th ed.) Citation

Krienitz, Lothar, Eberhard Hegewald, Dominik Hepperle, and Matthias Wolf. The Systematics of Coccoid Green Algae: 18S RRNA Gene Sequence Data Versus Morphology.

MLA (9th ed.) Citation

Krienitz, Lothar, et al. The Systematics of Coccoid Green Algae: 18S RRNA Gene Sequence Data Versus Morphology.