APA

Roys R. L. 1., The Carnegie Institution of Washington e., .The titles of Ebtun / by Ralph L. Roys. Washington, D. C. : published by the Carnegie Institution of Washington, 1939: .

Chicago

Roys Ralph Loveland 1879-1965, The Carnegie Institution of Washington ed, .The titles of Ebtun / by Ralph L. Roys. Washington, D. C. : published by the Carnegie Institution of Washington, 1939: .

Harvard

Roys R. L. 1., The Carnegie Institution of Washington e., .The titles of Ebtun / by Ralph L. Roys. Washington, D. C. : published by the Carnegie Institution of Washington, 1939: .

MLA

Roys Ralph Loveland 1879-1965, The Carnegie Institution of Washington ed, .Washington, D. C. : published by the Carnegie Institution of Washington, 1939: . .