Cita APA (7a ed.)

German Historical Institute (Londres), Lehmann, H., & Sheehan, J. J. (1991). An interrupted past: German-speaking refugee historians in the United States after 1933 ([1st pub.].). German Historical Institute.

Cita Chicago Style (17a ed.)

German Historical Institute (Londres), Hartmut Lehmann, y James J. Sheehan. An Interrupted Past: German-speaking Refugee Historians in the United States After 1933. [1st pub.]. Washington: German Historical Institute, 1991.

Cita MLA (9a ed.)

German Historical Institute (Londres), et al. An Interrupted Past: German-speaking Refugee Historians in the United States After 1933. [1st pub.]. German Historical Institute, 1991.