Cita APA

Higgins, W. E., & Alrich, P. (2015). Phalaenopsis: The genus in pictures. Stamford, CT, USA: International Phalaenopsis Alliance.

Citación estilo Chicago

Higgins, Wesley E., y Peggy Alrich. Phalaenopsis: The Genus in Pictures. Stamford, CT, USA: International Phalaenopsis Alliance, 2015.

Cita MLA

Higgins, Wesley E., y Peggy Alrich. Phalaenopsis: The Genus in Pictures. Stamford, CT, USA: International Phalaenopsis Alliance, 2015.