APA (7th ed.) Citation

PMcCallum, G. (1977). Seven plays from American literature. English LanguageServices.

Chicago Style (17th ed.) Citation

PMcCallum, George. Seven Plays from American Literature. Culver City, Calif: English LanguageServices, 1977.

MLA (9th ed.) Citation

PMcCallum, George. Seven Plays from American Literature. English LanguageServices, 1977.

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