Cita APA (7a ed.)

Berry, F. H., & Kress, W. J. (1991). Heliconia.: An identification guide. Smithsonian Institution.

Cita Chicago Style (17a ed.)

Berry, Frederick H., y W. John Kress. Heliconia.: An Identification Guide. Washington and London: Smithsonian Institution, 1991.

Cita MLA (8a ed.)

Berry, Frederick H., y W. John Kress. Heliconia.: An Identification Guide. Smithsonian Institution, 1991.