APA (7th ed.) Citation

Mass-Observation & Mass-Observation Archive. (1940). Topic collections, 1938-1965.

Chicago Style (17th ed.) Citation

Mass-Observation and Mass-Observation Archive. Topic Collections, 1938-1965. 1940.

MLA (9th ed.) Citation

Mass-Observation and Mass-Observation Archive. Topic Collections, 1938-1965. 1940.

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