Cita APA (7a ed.)

Roys, R. L. The titles of Ebtun / by Ralph L. Roys.

Cita Chicago Style (17a ed.)

Roys, Ralph Loveland. The Titles of Ebtun / by Ralph L. Roys. Washington, D. C. : published by the Carnegie Institution of Washington, 1939.

Cita MLA (8a ed.)

Roys, Ralph Loveland. The Titles of Ebtun / by Ralph L. Roys.