APA citiranje

Rojas Alvarado, A. (2017). A new species and three hybrids in the ferns from Cocos Island, Puntarenas, Costa Rica.

Citación estilo Chicago

Rojas Alvarado, Alexander. A New Species and Three Hybrids in the Ferns From Cocos Island, Puntarenas, Costa Rica. 2017.

MLA citiranje

Rojas Alvarado, Alexander. A New Species and Three Hybrids in the Ferns From Cocos Island, Puntarenas, Costa Rica. 2017.