Cita APA (7a ed.)
Tschan, F. J., Grimm, H. J., Squires, J. D., & Langsam, W. C. (1943). The first and second world wars: (Western Civilization. [Ausz.]). Lippincott.
Cita Chicago Style (17a ed.)
Tschan, Francis Joseph, Harold John Grimm, J. Duane Squires, y Walter Consuelo Langsam. The First and Second World Wars: (Western Civilization. [Ausz.]). Chicago [usw.]: Lippincott, 1943.
Cita MLA (9a ed.)
Tschan, Francis Joseph, et al. The First and Second World Wars: (Western Civilization. [Ausz.]). Lippincott, 1943.
Precaución: Estas citas no son 100% exactas.