Cita APA (7a ed.)
American Plant Life Society & International Bulb Society. (1984). Herbertia. [American Plant Life Society].
Cita Chicago Style (17a ed.)
American Plant Life Society y International Bulb Society. Herbertia. [La Jolla, Calif.]: [American Plant Life Society], 1984.
Cita MLA (9a ed.)
American Plant Life Society y International Bulb Society. Herbertia. [American Plant Life Society], 1984.
Precaución: Estas citas no son 100% exactas.