APA (7th ed.) Citation

(1974). A Look at Four Encyclopedias of 1974--Especially Britannica.

Chicago Style (17th ed.) Citation

A Look at Four Encyclopedias of 1974--Especially Britannica. 1974.

MLA (9th ed.) Citation

A Look at Four Encyclopedias of 1974--Especially Britannica. 1974.

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