APA (7th ed.) Citation

GROLIER ENCYCLOPEDIA .. Grolier encyclopedia of knowledge 6. Grolier.

Chicago Style (17th ed.) Citation

GROLIER ENCYCLOPEDIA .. Grolier Encyclopedia of Knowledge 6. Danbury: Grolier.

MLA (9th ed.) Citation

GROLIER ENCYCLOPEDIA .. Grolier Encyclopedia of Knowledge 6. Grolier.

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