Cita APA (7a ed.)

Her Majesty's Stationery Office & Prothero, G. W. (1920). Prussian Poland. H.M. Stationery Office.

Cita Chicago Style (17a ed.)

Her Majesty's Stationery Office y G. W. Prothero. Prussian Poland. London: H.M. Stationery Office, 1920.

Cita MLA (9a ed.)

Her Majesty's Stationery Office y G. W. Prothero. Prussian Poland. H.M. Stationery Office, 1920.