Cita APA (7a ed.)

Rzymowski, W., & Kennedy, H. E. (1921). Upper Silesia and Poland. International Publication Society.

Cita Chicago Style (17a ed.)

Rzymowski, Wincenty, y Harriette Eleanor Kennedy. Upper Silesia and Poland. Warsaw: International Publication Society, 1921.

Cita MLA (9a ed.)

Rzymowski, Wincenty, y Harriette Eleanor Kennedy. Upper Silesia and Poland. International Publication Society, 1921.