Barkman, J. J. (1958). Phytosociology and ecology of cryptogamic epiphytes, including a taxonomic survey and description of their vegetation units in Europe. Van Gorcum.
Chicago Style (17th ed.) CitationBarkman, Jan Johannes. Phytosociology and Ecology of Cryptogamic Epiphytes, Including a Taxonomic Survey and Description of Their Vegetation Units in Europe. Assen: Van Gorcum, 1958.
MLA (8th ed.) CitationBarkman, Jan Johannes. Phytosociology and Ecology of Cryptogamic Epiphytes, Including a Taxonomic Survey and Description of Their Vegetation Units in Europe. Van Gorcum, 1958.
Warning: These citations may not always be 100% accurate.