APA (7th ed.) Citation

(1991). From microfilm to Digital imagery: University of Pennsylvania libraries. Mc GRAW HILL book company.

Chicago Style (17th ed.) Citation

From Microfilm to Digital Imagery: University of Pennsylvania Libraries. October: Mc GRAW HILL book company, 1991.

MLA (8th ed.) Citation

From Microfilm to Digital Imagery: University of Pennsylvania Libraries. Mc GRAW HILL book company, 1991.

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