APA (7th ed.) Citation

Crosswhite, F. S. (1966). REVISION OF PENSTEMON SECTION CHAMAELEON (SCROPHULARIACEAE). Zenodo.

Chicago Style (17th ed.) Citation

Crosswhite, Frank S. REVISION OF PENSTEMON SECTION CHAMAELEON (SCROPHULARIACEAE). Zenodo, 1966.

MLA (9th ed.) Citation

Crosswhite, Frank S. REVISION OF PENSTEMON SECTION CHAMAELEON (SCROPHULARIACEAE). Zenodo, 1966.

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