APA (7th ed.) Citation

Degelius, G. (1954). The lichen genus Collema in Europe: Morphology, taxonomy, ecology. Lundequistska bokhandeln.

Chicago Style (17th ed.) Citation

Degelius, Gunnar. The Lichen Genus Collema in Europe: Morphology, Taxonomy, Ecology. Uppsala: Lundequistska bokhandeln, 1954.

MLA (9th ed.) Citation

Degelius, Gunnar. The Lichen Genus Collema in Europe: Morphology, Taxonomy, Ecology. Lundequistska bokhandeln, 1954.

Warning: These citations may not always be 100% accurate.