APA (7th ed.) Citation

Horton, J. H. (1963). A taxonomic revision of Polygonella, Polygonaceae ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Horton, James H. A Taxonomic Revision of Polygonella, Polygonaceae. [Sonderdr.]. 1963.

MLA (9th ed.) Citation

Horton, James H. A Taxonomic Revision of Polygonella, Polygonaceae. [Sonderdr.]. 1963.

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