Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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