APA (7th ed.) Citation

Douglass, W. A., & Etulain, R. W. (1981). Basque Americans: A guide to information sources. Gale Research.

Chicago Style (17th ed.) Citation

Douglass, William A., and Richard W. Etulain. Basque Americans: A Guide to Information Sources. Detroit: Gale Research, 1981.

MLA (9th ed.) Citation

Douglass, William A., and Richard W. Etulain. Basque Americans: A Guide to Information Sources. Gale Research, 1981.