(1949). Orchids are easy to grow. Chicago: Ziff-Davis Publishing Company.
Citación estilo ChicagoOrchids Are Easy to Grow. Chicago: Ziff-Davis Publishing Company, 1949.
Cita MLAOrchids Are Easy to Grow. Chicago: Ziff-Davis Publishing Company, 1949.
Precaución: Estas citas no son 100% exactas.