Citazione Stile APA (7a Edizione)

Rosenberg, J., & Ward, P. R. (1938). How to speak German (German series.). Nicholson and Watson.

Citazione stile Chigago Style (17a edizione)

Rosenberg, Joseph, e Phyllis R. Ward. How to Speak German. German series. London: Nicholson and Watson, 1938.

Citatione MLA (9a ed.)

Rosenberg, Joseph, e Phyllis R. Ward. How to Speak German. German series. Nicholson and Watson, 1938.