APA

Faulkner H. U., Kepner T., . (1950). America: its history and people, a unit organization. New York: Harper.

Chicago

Faulkner Harold Underwood, Kepner Tyler, . 1950. America: its history and people, a unit organization. New York: Harper.

Harvard

Faulkner H. U., Kepner T., . (1950). America: its history and people, a unit organization. New York: Harper.

MLA

Faulkner Harold Underwood, Kepner Tyler, . America: its history and people, a unit organization. New York: Harper. 1950.