Palmer, R. R., Colton, J. G., & Kramer, L. S. (2007). A History of the modern world (10th ed.). McGraw-Hill.
Citación estilo ChicagoPalmer, R. R., Joel G. Colton, and Lloyd S. Kramer. A History of the Modern World. 10th ed. Boston: McGraw-Hill, 2007.
Cita MLAPalmer, R. R., et al. A History of the Modern World. 10th ed. McGraw-Hill, 2007.
Warning: These citations may not always be 100% accurate.