APA

Schmidt Lebuhn A. N., . (2008). A revision of the genus Minthostachys (Labiatae). New York: New York Botanical Garden.

Chicago

Schmidt Lebuhn Alexander N, . 2008. A revision of the genus Minthostachys (Labiatae). New York: New York Botanical Garden.

Harvard

Schmidt Lebuhn A. N., . (2008). A revision of the genus Minthostachys (Labiatae). New York: New York Botanical Garden.

MLA

Schmidt Lebuhn Alexander N, . A revision of the genus Minthostachys (Labiatae). New York: New York Botanical Garden. 2008.