APA (7th ed.) Citation

Lerner Publications Company. Geography Department & Boehm, D. A. (1997). Peru-- in pictures (Rev. and updated ed.). The Company.

Chicago Style (17th ed.) Citation

Lerner Publications Company. Geography Department and David A. Boehm. Peru-- in Pictures. Rev. and updated ed. Minneapolis: The Company, 1997.

MLA (9th ed.) Citation

Lerner Publications Company. Geography Department and David A. Boehm. Peru-- in Pictures. Rev. and updated ed. The Company, 1997.