APA

Ci-Co, . (1970). The United States Encyclopedia Of History V-5. : .

Chicago

Ci-Co, . 1970. The United States Encyclopedia Of History V-5. : .

Harvard

Ci-Co, . (1970). The United States Encyclopedia Of History V-5. : .

MLA

Ci-Co, . The United States Encyclopedia Of History V-5. : . 1970.