APA (7th ed.) Citation

Ahrens, J. (1977). A Selected List of Business and Economic Sources. Bibliographic Series No. 27.

Chicago Style (17th ed.) Citation

Ahrens, Joan. A Selected List of Business and Economic Sources. Bibliographic Series No. 27. 1977.

MLA (9th ed.) Citation

Ahrens, Joan. A Selected List of Business and Economic Sources. Bibliographic Series No. 27. 1977.

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