APA (7th ed.) Citation

Grolier international. (1987). Grolier academic encyclopedia: Vol :15. Grolier international, Acamedic American.

Chicago Style (17th ed.) Citation

Grolier international. Grolier Academic Encyclopedia: Vol :15. USA: Grolier international, Acamedic American, 1987.

MLA (9th ed.) Citation

Grolier international. Grolier Academic Encyclopedia: Vol :15. Grolier international, Acamedic American, 1987.

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