APA (7th ed.) Citation

Duncan, V. L., & Parsons, F. E. (1970). Use of Microfilm in an Industrial Research Library.

Chicago Style (17th ed.) Citation

Duncan, Virginia L., and Frances E. Parsons. Use of Microfilm in an Industrial Research Library. 1970.

MLA (9th ed.) Citation

Duncan, Virginia L., and Frances E. Parsons. Use of Microfilm in an Industrial Research Library. 1970.

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