APA

Berry P. e., Kay Yatskievych, Bruce K. Holst & Manara B. (2004). Flora of the Venezuelan Guayana vol. 8 Poaceae - Rubiaceae / P. E. Berry. St. Louis, MO: Missouri Botanical Garden Press.

Chicago

Berry Paul e, Kay Yatskievych, Bruce K. Holst and Manara Bruno. 2004. Flora of the Venezuelan Guayana vol. 8 Poaceae - Rubiaceae / P. E. Berry. St. Louis, MO: Missouri Botanical Garden Press.

Harvard

Berry P. e., Kay Yatskievych, Bruce K. Holst and Manara B. (2004). Flora of the Venezuelan Guayana vol. 8 Poaceae - Rubiaceae / P. E. Berry. St. Louis, MO: Missouri Botanical Garden Press.

MLA

Berry Paul e, Kay Yatskievych, Bruce K. Holst and Manara Bruno. Flora of the Venezuelan Guayana vol. 8 Poaceae - Rubiaceae / P. E. Berry. St. Louis, MO: Missouri Botanical Garden Press. 2004.