APA (7th ed.) Citation

Smithsonian Institution. (2015). Picturepedia: An encyclopedia on every page (First American edition.). DK Publishing/Smithsonian.

Chicago Style (17th ed.) Citation

Smithsonian Institution. Picturepedia: An Encyclopedia on Every Page. First American edition. New York: DK Publishing/Smithsonian, 2015.

MLA (8th ed.) Citation

Smithsonian Institution. Picturepedia: An Encyclopedia on Every Page. First American edition. DK Publishing/Smithsonian, 2015.

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