Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.