APA-referens

Grayum, M. H. (2027). Paul C. Standley: A century after his botanical work in Costa Rica.

Chicago-stil citat

Grayum, Michael H. Paul C. Standley: A Century After His Botanical Work in Costa Rica. 2027.

MLA-referens

Grayum, Michael H. Paul C. Standley: A Century After His Botanical Work in Costa Rica. 2027.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.