APA (7th ed.) Citation

Smithsonian Institution. (1932). Birds of Natuna Islands. GPO.

Chicago Style (17th ed.) Citation

Smithsonian Institution. Birds of Natuna Islands. [Washington]: GPO, 1932.

MLA (9th ed.) Citation

Smithsonian Institution. Birds of Natuna Islands. GPO, 1932.

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