APA

Steyermark J. a., Berry P. e. & Holst B. K. (1995). Flora of the Venezuelan Guayana vol. 1 Introduction. St. Luois: Missouri Botanical Garden.

Chicago

Steyermark Julian a, Berry Paul e and Holst Bruce K. 1995. Flora of the Venezuelan Guayana vol. 1 Introduction. St. Luois: Missouri Botanical Garden.

Harvard

Steyermark J. a., Berry P. e. and Holst B. K. (1995). Flora of the Venezuelan Guayana vol. 1 Introduction. St. Luois: Missouri Botanical Garden.

MLA

Steyermark Julian a, Berry Paul e and Holst Bruce K. Flora of the Venezuelan Guayana vol. 1 Introduction. St. Luois: Missouri Botanical Garden. 1995.