APA (7th ed.) Citation

Bargar, M., & Gardiner, P. (1971). Population of Peru: estimates and projections: 1962-2002, by Martha Bargar and Peter Gardiner. U. S. Government Printing Office.

Chicago Style (17th ed.) Citation

Bargar, Martha, and Peter Gardiner. Population of Peru: Estimates and Projections: 1962-2002, by Martha Bargar and Peter Gardiner. Washington: U. S. Government Printing Office, 1971.

MLA (9th ed.) Citation

Bargar, Martha, and Peter Gardiner. Population of Peru: Estimates and Projections: 1962-2002, by Martha Bargar and Peter Gardiner. U. S. Government Printing Office, 1971.