APA (7th ed.) Citation

(2012). Smithsonian Institution - United States National Museum - Bulletin 240 Contributions From the Museum of History and Technology. Project Gutenberg.

Chicago Style (17th ed.) Citation

Smithsonian Institution - United States National Museum - Bulletin 240 Contributions From the Museum of History and Technology. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Smithsonian Institution - United States National Museum - Bulletin 240 Contributions From the Museum of History and Technology. Project Gutenberg, 2012.

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