APA

Ewing E. E., . (1958). Our widening world: a history of the world's peoples. New York: Rand McNally.

Chicago

Ewing Ethel E, . 1958. Our widening world: a history of the world's peoples. New York: Rand McNally.

Harvard

Ewing E. E., . (1958). Our widening world: a history of the world's peoples. New York: Rand McNally.

MLA

Ewing Ethel E, . Our widening world: a history of the world's peoples. New York: Rand McNally. 1958.