Gaya APA

Company, F, C. (1980). Compton's encyclopedia and fact-index volume 20 ; phill-pytho pages 263-544 . New York: John Wiley and Sons.

Gaya MLA

Company, F.E., Compton. "Compton's encyclopedia and fact-index volume 20 ; phill-pytho pages 263-544". New York: John Wiley and Sons, 1980. Text.