Cita APA

American Orchid Society. (1976). Handbook on orchid culture (Revised edition.). Cambridge, Massachusetts, U.S.A.: American Orchid Society, Inc..

Citación estilo Chicago

American Orchid Society. Handbook On Orchid Culture. Revised edition. Cambridge, Massachusetts, U.S.A.: American Orchid Society, Inc., 1976.

Cita MLA

American Orchid Society. Handbook On Orchid Culture. Revised edition. Cambridge, Massachusetts, U.S.A.: American Orchid Society, Inc., 1976.