APA (7th ed.) Citation

(1966). The New Book of Knowledge, Volume 18 T. Grolier.

Chicago Style (17th ed.) Citation

The New Book of Knowledge, Volume 18 T. Grolier, 1966.

MLA (8th ed.) Citation

The New Book of Knowledge, Volume 18 T. Grolier, 1966.

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