Gaya APA

Grolier, . (1984). Encyclopedia Americana #20: Navajo to Opium . America: Grolier International Inc.,.

Gaya MLA

Grolier, . "Encyclopedia Americana #20: Navajo to Opium". America: Grolier International Inc.,, 1984. GEN - Bacaan/Seri Non-Fiksi.