Cita APA

Hennessy, E. F. 1., & Hennessy, E. F. 1. (1989). The slipper orchids: Selenipedium, Phagmipedium Criosanthes, Cypripedium Paphiopedilum. Randburg: Arcon books.

Citación estilo Chicago

Hennessy, Esmé Franklin 1933-, y Esmé Franklin 1933- Hennessy. The Slipper Orchids: Selenipedium, Phagmipedium Criosanthes, Cypripedium Paphiopedilum. Randburg: Arcon books, 1989.

Cita MLA

Hennessy, Esmé Franklin 1933-, y Esmé Franklin 1933- Hennessy. The Slipper Orchids: Selenipedium, Phagmipedium Criosanthes, Cypripedium Paphiopedilum. Randburg: Arcon books, 1989.