Cita APA

Westley, S. B., & Powell, M. H. (1993). Erythrina in the new and old worlds. Paia, Hawaii: Nitrogen Fixing Tree Association.

Citación estilo Chicago

Westley, Sidney B., y Mark H. Powell. Erythrina in the New and Old Worlds. Paia, Hawaii: Nitrogen Fixing Tree Association, 1993.

Cita MLA

Westley, Sidney B., y Mark H. Powell. Erythrina in the New and Old Worlds. Paia, Hawaii: Nitrogen Fixing Tree Association, 1993.