APA (7th ed.) Citation

Engel, A. S. (2015). Microbial life of cave systems. Walter de Gruyter GmbH & Co., KG.

Chicago Style (17th ed.) Citation

Engel, Annette Summers. Microbial Life of Cave Systems. Berlin ; Boston: Walter de Gruyter GmbH & Co., KG, 2015.

MLA (8th ed.) Citation

Engel, Annette Summers. Microbial Life of Cave Systems. Walter de Gruyter GmbH & Co., KG, 2015.