Instituto Brasileiro de Informação em Ciência e Tecnologia

Cytowanie według stylu APA (wyd. 7)

Não informado. (1891). Contributions from the Gray Herbarium of Harvard University. Harvard University.

Cytowanie według stylu Chicago (wyd. 17)

Não informado. Contributions from the Gray Herbarium of Harvard University. Cambridge, Mass: Harvard University, 1891.

Cytowanie według stylu MLA (wyd. 8)

Não informado. Contributions from the Gray Herbarium of Harvard University. Harvard University, 1891.