Cita APA

American Orchid Society, Kraus, L., & Pridgeon, A. (1990). An introduction to orchids. West Palm Beach, Fla.: American Orchid Society.

Citación estilo Chicago

American Orchid Society, Linda Kraus, y Alec Pridgeon. An Introduction to Orchids. West Palm Beach, Fla.: American Orchid Society, 1990.

Cita MLA

American Orchid Society, Linda Kraus, y Alec Pridgeon. An Introduction to Orchids. West Palm Beach, Fla.: American Orchid Society, 1990.