APA (7th ed.) Citation

Northington, D. K. (1974). Systematic studies of the genus Pyrrhopappus (Compositae, Cichorieae). [Texas Tech Press].

Chicago Style (17th ed.) Citation

Northington, David K. Systematic Studies of the Genus Pyrrhopappus (Compositae, Cichorieae). [Lubbock]: [Texas Tech Press], 1974.

MLA (9th ed.) Citation

Northington, David K. Systematic Studies of the Genus Pyrrhopappus (Compositae, Cichorieae). [Texas Tech Press], 1974.

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