Cita APA

Barrows, H. H., & Putnam Parker, E. United States and Canada.

Citación estilo Chicago

Barrows, Harlan H., and Edith Putnam Parker. United States and Canada.

Cita MLA

Barrows, Harlan H., and Edith Putnam Parker. United States and Canada.

Warning: These citations may not always be 100% accurate.