APA (7th ed.) Citation

(1966). The New Book of Knowledge, Volume 15 P. Grolier.

Chicago Style (17th ed.) Citation

The New Book of Knowledge, Volume 15 P. Grolier, 1966.

MLA (8th ed.) Citation

The New Book of Knowledge, Volume 15 P. Grolier, 1966.

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