Gaya APA

Ramırez, N., Briceno, H. (2011). Reproductive phenology of 233 species from four herbaceous–shrubby communities in the Gran Sabana Plateau of Venezuela (2011 plr014). Oxford: Oxford University Press.

Gaya MLA

Ramırez, Nelson., Briceno, Herbert. "Reproductive phenology of 233 species from four herbaceous–shrubby communities in the Gran Sabana Plateau of Venezuela". 2011 plr014 Oxford: Oxford University Press, 2011. e-journal.