APA (7th ed.) Citation

Schumm, F., & Aptroot, A. (2019). Images of the lichen genus Caloplaca. Books on Demand GmbH, Norderstedt.

Chicago Style (17th ed.) Citation

Schumm, Felix, and André Aptroot. Images of the Lichen Genus Caloplaca. Norderstedt: Books on Demand GmbH, Norderstedt, 2019.

MLA (9th ed.) Citation

Schumm, Felix, and André Aptroot. Images of the Lichen Genus Caloplaca. Books on Demand GmbH, Norderstedt, 2019.