APA aipamena

Hammel, B. (2015). Three new species of Marcgraviaceae from Costa Rica, with references to related species and notes on the generic placement of Schwartzia jimenezii.

Chicago Style aipamena

Hammel, Barry. Three New Species of Marcgraviaceae From Costa Rica, With References to Related Species and Notes On the Generic Placement of Schwartzia Jimenezii. 2015.

MLA aipamena

Hammel, Barry. Three New Species of Marcgraviaceae From Costa Rica, With References to Related Species and Notes On the Generic Placement of Schwartzia Jimenezii. 2015.