Cita APA (7a ed.)

Rosenberg, J., & Kallmann, G. E. (1938). How to read German (German series.). Nicholson and Watson.

Cita Chicago Style (17a ed.)

Rosenberg, Joseph, y Gerdrud E. Kallmann. How to Read German. German series. London: Nicholson and Watson, 1938.

Cita MLA (9a ed.)

Rosenberg, Joseph, y Gerdrud E. Kallmann. How to Read German. German series. Nicholson and Watson, 1938.