APA (7th ed.) Citation

encyclopaedia britannica inc. (1977). comptons precyclopedia (3rd et.-.). encyclopaedia britannica inc.

Chicago Style (17th ed.) Citation

encyclopaedia britannica inc. Comptons Precyclopedia. 3rd et.-. u.s.a.: encyclopaedia britannica inc, 1977.

MLA (9th ed.) Citation

encyclopaedia britannica inc. Comptons Precyclopedia. 3rd et.-. encyclopaedia britannica inc, 1977.

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