APA (7th ed.) Citation

Xerox University Microfilms & University Microfilms International. (1969). Dissertation abstracts international. University Microfilms.

Chicago Style (17th ed.) Citation

Xerox University Microfilms and University Microfilms International. Dissertation Abstracts International. Ann Arbor, Mich.: University Microfilms, 1969.

MLA (8th ed.) Citation

Xerox University Microfilms and University Microfilms International. Dissertation Abstracts International. University Microfilms, 1969.

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