APA

Irwin H. S., Barneby R. C., . (1982). The American cassiinae. Bronx, New York: The New York Botanical Garden.

Chicago

Irwin Howard S, Barneby Rupert C, . 1982. The American cassiinae. Bronx, New York: The New York Botanical Garden.

Harvard

Irwin H. S., Barneby R. C., . (1982). The American cassiinae. Bronx, New York: The New York Botanical Garden.

MLA

Irwin Howard S, Barneby Rupert C, . The American cassiinae. Bronx, New York: The New York Botanical Garden. 1982.