APA (7th ed.) Citation

Naas, B. G., & Sakr, C. S. (1956). American labor union periodicals: A guide to their location. Cornell University.

Chicago Style (17th ed.) Citation

Naas, Bernard G., and Carmelita S. Sakr. American Labor Union Periodicals: A Guide to Their Location. Ithaca: Cornell University, 1956.

MLA (9th ed.) Citation

Naas, Bernard G., and Carmelita S. Sakr. American Labor Union Periodicals: A Guide to Their Location. Cornell University, 1956.