APA (7th ed.) Citation

William Benton. (1768). The new Encyclopaedia Britannica: Volumes - 30 (15th ed.). encyclopaedia britannica.

Chicago Style (17th ed.) Citation

William Benton. The New Encyclopaedia Britannica: Volumes - 30. 15th ed. London: encyclopaedia britannica, 1768.

MLA (9th ed.) Citation

William Benton. The New Encyclopaedia Britannica: Volumes - 30. 15th ed. encyclopaedia britannica, 1768.

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