APA

Rogers G. K., Organization for Flora Neotropica (New York), . (1984). Gleasonia, henriquezia, and platycarpum (Rubiaceae). New York, New York, United States: The New York Botanical Garden.

Chicago

Rogers George King, Organization for Flora Neotropica (New York), . 1984. Gleasonia, henriquezia, and platycarpum (Rubiaceae). New York, New York, United States: The New York Botanical Garden.

Harvard

Rogers G. K., Organization for Flora Neotropica (New York), . (1984). Gleasonia, henriquezia, and platycarpum (Rubiaceae). New York, New York, United States: The New York Botanical Garden.

MLA

Rogers George King, Organization for Flora Neotropica (New York), . Gleasonia, henriquezia, and platycarpum (Rubiaceae). New York, New York, United States: The New York Botanical Garden. 1984.