APA (7th ed.) Citation

Thoreau, H. D., & Sayre, R. F. (1985). A week on the Concord and Merrimack Rivers (16. print.). Library of America.

Chicago Style (17th ed.) Citation

Thoreau, Henry David, and Robert F. Sayre. A Week on the Concord and Merrimack Rivers. 16. print. New York, NY: Library of America, 1985.

MLA (9th ed.) Citation

Thoreau, Henry David, and Robert F. Sayre. A Week on the Concord and Merrimack Rivers. 16. print. Library of America, 1985.