APA (7th ed.) Citation

Ridley, H. N. (1903). New Malay Orchids ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Ridley, Henry Nicholas. New Malay Orchids. [Sonderdr.]. 1903.

MLA (9th ed.) Citation

Ridley, Henry Nicholas. New Malay Orchids. [Sonderdr.]. 1903.

Warning: These citations may not always be 100% accurate.