APA

Pi-Rz, . (1969). "The World Of Man Middle America ,Guatemala,Honduras, And El Salvador To West Indies, South America Argentina And Tierra". : .

Chicago

Pi-Rz, . 1969. "The World Of Man Middle America ,Guatemala,Honduras, And El Salvador To West Indies, South America Argentina And Tierra". : .

Harvard

Pi-Rz, . (1969). "The World Of Man Middle America ,Guatemala,Honduras, And El Salvador To West Indies, South America Argentina And Tierra". : .

MLA

Pi-Rz, . "The World Of Man Middle America ,Guatemala,Honduras, And El Salvador To West Indies, South America Argentina And Tierra". : . 1969.