Cita APA

Seidenfaden, G. 1. (1997). Contributions to the orchid flora of Thailand. Fredensborg: Olsen & Olsen.

Citación estilo Chicago

Seidenfaden, Gunnar 1908-2001. Contributions to the Orchid Flora of Thailand. Fredensborg: Olsen & Olsen, 1997.

Cita MLA

Seidenfaden, Gunnar 1908-2001. Contributions to the Orchid Flora of Thailand. Fredensborg: Olsen & Olsen, 1997.