Cita APA

Seidenfaden, G. 1., & Smitinand, T. (1959). The orchids of Thailand: A preliminary list. Bangkok: The Siam Society.

Citación estilo Chicago

Seidenfaden, Gunnar 1908-2001, y Tem Smitinand. The Orchids of Thailand: A Preliminary List. Bangkok: The Siam Society, 1959.

Cita MLA

Seidenfaden, Gunnar 1908-2001, y Tem Smitinand. The Orchids of Thailand: A Preliminary List. Bangkok: The Siam Society, 1959.