APA

Hochwallner H., Vogel S., Huber W., Hammel B. E. & Weber A. (20120531). Aspects of reproductive ecology of Clusia valerioi Standl. and Clusia peninsulae Hammel (sp. nov.), two Central American species of Clusiaceae with resin flowers. : Plant biology (Stuttgart, Germany).

Chicago

Hochwallner H, Vogel S, Huber W, Hammel B E and Weber A. 20120531. Aspects of reproductive ecology of Clusia valerioi Standl. and Clusia peninsulae Hammel (sp. nov.), two Central American species of Clusiaceae with resin flowers. : Plant biology (Stuttgart, Germany).

Harvard

Hochwallner H., Vogel S., Huber W., Hammel B. E. and Weber A. (20120531). Aspects of reproductive ecology of Clusia valerioi Standl. and Clusia peninsulae Hammel (sp. nov.), two Central American species of Clusiaceae with resin flowers. : Plant biology (Stuttgart, Germany).

MLA

Hochwallner H, Vogel S, Huber W, Hammel B E and Weber A. Aspects of reproductive ecology of Clusia valerioi Standl. and Clusia peninsulae Hammel (sp. nov.), two Central American species of Clusiaceae with resin flowers. : Plant biology (Stuttgart, Germany). 20120531.