Cita APA (7a ed.)

Polnay, P. d. (1944). Water on the steps. The Continental book co.

Cita Chicago Style (17a ed.)

Polnay, Peter de. Water on the Steps. Stockholm ; London: The Continental book co, 1944.

Cita MLA (9a ed.)

Polnay, Peter de. Water on the Steps. The Continental book co, 1944.