Cita APA

Bechtel, H. 1., Cribb, P. J. 1., & Launert, E. (1992). The manual of cultivated orchid species (3 edition.).

Citación estilo Chicago

Bechtel, Helmut 1929-1992, Phillip James 1946- Cribb, y Edmund Launert. The Manual of Cultivated Orchid Species. 3 edition. 1992.

Cita MLA

Bechtel, Helmut 1929-1992, Phillip James 1946- Cribb, y Edmund Launert. The Manual of Cultivated Orchid Species. 3 edition. 1992.