Cita APA (7a ed.)

Shepherd, W. R. (1927). Historical atlas (6th ed.). Holt.

Cita Chicago Style (17a ed.)

Shepherd, William Robert. Historical Atlas. 6th ed. New York: Holt, 1927.

Cita MLA (9a ed.)

Shepherd, William Robert. Historical Atlas. 6th ed. Holt, 1927.