APA (7th ed.) Citation

Incorporated, G. (1982). Index. Grolier Incorporated.

Chicago Style (17th ed.) Citation

Incorporated, Grolier. Index. Grolier Incorporated, 1982.

MLA (8th ed.) Citation

Incorporated, Grolier. Index. Grolier Incorporated, 1982.

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