Mader, S. (1998). Biology (6th ed.). McGraw-Hill.
Citación estilo ChicagoMader, Sylvia. Biology. 6th ed. Boston: McGraw-Hill, 1998.
Cita MLAMader, Sylvia. Biology. 6th ed. McGraw-Hill, 1998.
Warning: These citations may not always be 100% accurate.