APA

Acevedo-Rodríguez P., Strong M. T. & Smithsonian Institution. (2005). Monocotyledons and gymnosperms of Puerto Rico and the Virgin Islands. Washington, D.C: National Museum of Natural History, Department of Botany.

Chicago

Acevedo-Rodríguez Pedro, Strong Mark T and Smithsonian Institution. 2005. Monocotyledons and gymnosperms of Puerto Rico and the Virgin Islands. Washington, D.C: National Museum of Natural History, Department of Botany.

Harvard

Acevedo-Rodríguez P., Strong M. T. and Smithsonian Institution. (2005). Monocotyledons and gymnosperms of Puerto Rico and the Virgin Islands. Washington, D.C: National Museum of Natural History, Department of Botany.

MLA

Acevedo-Rodríguez Pedro, Strong Mark T and Smithsonian Institution. Monocotyledons and gymnosperms of Puerto Rico and the Virgin Islands. Washington, D.C: National Museum of Natural History, Department of Botany. 2005.