Citação norma APA

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.

Citação norma Chicago

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.

Citação norma MLA

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.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.