APA (7th ed.) Citation

Excursion Books. (1946). A Look at Labor. St. Paul, Minn..

Chicago Style (17th ed.) Citation

Excursion Books. A Look at Labor. St. Paul, Minn., 1946.

MLA (8th ed.) Citation

Excursion Books. A Look at Labor. St. Paul, Minn., 1946.

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