APA (7th ed.) Citation

-. (1980). Compton's encyclopedia and fact-index vol.23. F.E. Compton Co.

Chicago Style (17th ed.) Citation

-. Compton's Encyclopedia and Fact-index Vol.23. Chicago: F.E. Compton Co, 1980.

MLA (9th ed.) Citation

-. Compton's Encyclopedia and Fact-index Vol.23. F.E. Compton Co, 1980.