APA (7th ed.) Citation

Rahn, K. (1974). Plantago section Virginica: A taxonomic revision of a group of American plantains, using experimental, taximetric and classical methods. Dansk Botanisk Forening.

Chicago Style (17th ed.) Citation

Rahn, Knud. Plantago Section Virginica: A Taxonomic Revision of a Group of American Plantains, Using Experimental, Taximetric and Classical Methods. København: Dansk Botanisk Forening, 1974.

MLA (9th ed.) Citation

Rahn, Knud. Plantago Section Virginica: A Taxonomic Revision of a Group of American Plantains, Using Experimental, Taximetric and Classical Methods. Dansk Botanisk Forening, 1974.