Cita APA (7th ed.)

Wallace, D. M., & Gansberg, F. (1912). Rußland. Janssen.

Cita Chicago (17th ed.)

Wallace, Donald Mackenzie, i Fritz Gansberg. Rußland. Hamburg [u.a.]: Janssen, 1912.

Cita MLA (8th ed.)

Wallace, Donald Mackenzie, i Fritz Gansberg. Rußland. Janssen, 1912.