APA (7th ed.) Citation

Crum, H. A., & Anderson, L. E. (1979). Donrichardsia, a new genus of Amblystegiaceae (musci): Howard Crum ; Lewis E. Anderson. Field Museum of Natural History.

Chicago Style (17th ed.) Citation

Crum, Howard A., and Lewis Edward Anderson. Donrichardsia, a New Genus of Amblystegiaceae (musci): Howard Crum ; Lewis E. Anderson. Chicago: Field Museum of Natural History, 1979.

MLA (9th ed.) Citation

Crum, Howard A., and Lewis Edward Anderson. Donrichardsia, a New Genus of Amblystegiaceae (musci): Howard Crum ; Lewis E. Anderson. Field Museum of Natural History, 1979.