APA (7th ed.) Citation

Betz, E. W. (1982). Graphic materials: Rules for describing original items and historical collections. Library of Congress.

Chicago Style (17th ed.) Citation

Betz, Elisabeth W. Graphic Materials: Rules for Describing Original Items and Historical Collections. Washington, D.C: Library of Congress, 1982.

MLA (9th ed.) Citation

Betz, Elisabeth W. Graphic Materials: Rules for Describing Original Items and Historical Collections. Library of Congress, 1982.