APA (7th ed.) Citation

Smithsonian Institution. (1922). Explorations and field-work of Smithsonian Institution in 1921. [publisher not identified].

Chicago Style (17th ed.) Citation

Smithsonian Institution. Explorations and Field-work of Smithsonian Institution in 1921. [Washington]: [publisher not identified], 1922.

MLA (9th ed.) Citation

Smithsonian Institution. Explorations and Field-work of Smithsonian Institution in 1921. [publisher not identified], 1922.

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