APA (7th ed.) Citation

(1973). The invisible medium: The state of the art of microform and a guide to the literature / by Frances G. Spigai.

Chicago Style (17th ed.) Citation

The Invisible Medium: The State of the Art of Microform and a Guide to the Literature / by Frances G. Spigai. 1973.

MLA (9th ed.) Citation

The Invisible Medium: The State of the Art of Microform and a Guide to the Literature / by Frances G. Spigai. 1973.