Cita APA

Willis, F. R. (1977). Western civilization: An urban perspective (2nd ed.). D.C. Heath.

Citación estilo Chicago

Willis, F. Roy. Western Civilization: An Urban Perspective. 2nd ed. Lexington: D.C. Heath, 1977.

Cita MLA

Willis, F. Roy. Western Civilization: An Urban Perspective. 2nd ed. D.C. Heath, 1977.

Warning: These citations may not always be 100% accurate.