Cita APA (7a ed.)
Wallbank, W. T., Balkey, N. M., & Taylor, A. M. (1977). Western civilization: People and progress. Scott.
Cita Chicago Style (17a ed.)
Wallbank, Walter T., Nels M. Balkey, y Alastair M. Taylor. Western Civilization: People and Progress. Dalla: Scott, 1977.
Cita MLA (9a ed.)
Wallbank, Walter T., et al. Western Civilization: People and Progress. Scott, 1977.
Precaución: Estas citas no son 100% exactas.