APA

Gottschling M., Miller J. S., . (2018). A taxonomic revision of the new world species of Bourreria (Ehretiaceae, Boraginales). : The American Society of Plant Taxonomists.

Chicago

Gottschling MARC, Miller James S, . 2018. A taxonomic revision of the new world species of Bourreria (Ehretiaceae, Boraginales). : The American Society of Plant Taxonomists.

Harvard

Gottschling M., Miller J. S., . (2018). A taxonomic revision of the new world species of Bourreria (Ehretiaceae, Boraginales). : The American Society of Plant Taxonomists.

MLA

Gottschling MARC, Miller James S, . A taxonomic revision of the new world species of Bourreria (Ehretiaceae, Boraginales). : The American Society of Plant Taxonomists. 2018.