APA

Severin T., . (1973). The Horizon book of vanishing primitive man. New York: American Heritage Pub. Co.; book trade distribution by McGraw-Hill.

Chicago

Severin Timothy, . 1973. The Horizon book of vanishing primitive man. New York: American Heritage Pub. Co.; book trade distribution by McGraw-Hill.

Harvard

Severin T., . (1973). The Horizon book of vanishing primitive man. New York: American Heritage Pub. Co.; book trade distribution by McGraw-Hill.

MLA

Severin Timothy, . The Horizon book of vanishing primitive man. New York: American Heritage Pub. Co.; book trade distribution by McGraw-Hill. 1973.