APA (7th ed.) Citation

Britannica... (1972). Britannica book of the year 1972. William Benton.

Chicago Style (17th ed.) Citation

Britannica... Britannica Book of the Year 1972. William Benton, 1972.

MLA (8th ed.) Citation

Britannica... Britannica Book of the Year 1972. William Benton, 1972.

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