APA (7th ed.) Citation

Johnson, M. F. (1971). A Monograph of the Genus Ageratum L. (Compositae-Eupatorieae). Zenodo.

Chicago Style (17th ed.) Citation

Johnson, Miles F. A Monograph of the Genus Ageratum L. (Compositae-Eupatorieae). Zenodo, 1971.

MLA (9th ed.) Citation

Johnson, Miles F. A Monograph of the Genus Ageratum L. (Compositae-Eupatorieae). Zenodo, 1971.

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