APA

Gentry A. H., . (1980). Bignoniaceae-part I [crescentieae and tourrettieae]. New York, New York, United States: The New York Botanical Garden.

Chicago

Gentry Alwyn H, . 1980. Bignoniaceae-part I [crescentieae and tourrettieae]. New York, New York, United States: The New York Botanical Garden.

Harvard

Gentry A. H., . (1980). Bignoniaceae-part I [crescentieae and tourrettieae]. New York, New York, United States: The New York Botanical Garden.

MLA

Gentry Alwyn H, . Bignoniaceae-part I [crescentieae and tourrettieae]. New York, New York, United States: The New York Botanical Garden. 1980.