Cita APA

Alrich, P., & Higgins, W. E. Laelia: A Central and South American genus.

Citación estilo Chicago

Alrich, Peggy, y Wesley E. Higgins. Laelia: A Central and South American Genus.

Cita MLA

Alrich, Peggy, y Wesley E. Higgins. Laelia: A Central and South American Genus.