APA Format
Nyrop, Richard F.; Nyrop, Richard F.; American University. (1981).
Peru : a country study / edited by Richard F. Nyrop
. Wahsington D.C. :: American University,.
MLA Format
Nyrop, Richard F.; Nyrop, Richard F.; American University.
Peru : a country study / edited by Richard F. Nyrop
. Wahsington D.C. :: American University,, 1981
Chicago Format
Nyrop, Richard F.; Nyrop, Richard F.; American University. Peru : a country study / edited by Richard F. Nyrop. Wahsington D.C. :: American University,, 1981.