APA (7th ed.) Citation

Frahm, J. (1991). Dicranaceae: Campylopodioideae, Paraleucobryoideae. New York Botanical Garden.

Chicago Style (17th ed.) Citation

Frahm, Jan-Peter. Dicranaceae: Campylopodioideae, Paraleucobryoideae. New York: New York Botanical Garden, 1991.

MLA (9th ed.) Citation

Frahm, Jan-Peter. Dicranaceae: Campylopodioideae, Paraleucobryoideae. New York Botanical Garden, 1991.

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