APA (7th ed.) Citation

Mass-Observation, Mass-Observation, & Mass-Observation Archive. (1942). Topic collections, 1937-1965.

Chicago Style (17th ed.) Citation

Mass-Observation, Mass-Observation, and Mass-Observation Archive. Topic Collections, 1937-1965. 1942.

MLA (9th ed.) Citation

Mass-Observation, et al. Topic Collections, 1937-1965. 1942.

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