APA (7th ed.) Citation

Special Libraries Association. Social Science Division. (1950). A source list of selected labor statistics (Rev. ed.). [publisher not identified].

Chicago Style (17th ed.) Citation

Special Libraries Association. Social Science Division. A Source List of Selected Labor Statistics. Rev. ed. New York: [publisher not identified], 1950.

MLA (8th ed.) Citation

Special Libraries Association. Social Science Division. A Source List of Selected Labor Statistics. Rev. ed. [publisher not identified], 1950.