APA Edition Citation

Mass-Observation & Mass-Observation Archive. (1938). Topic collections, 1937-1965.

Chicago Edition Citation

Mass-Observation and Mass-Observation Archive. Topic Collections, 1937-1965. 1938.

MLA Edition Citation

Mass-Observation and Mass-Observation Archive. Topic Collections, 1937-1965. 1938.

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