APA (7th ed.) Citation

Thoreau, H. D. (1947). The portable Thoreau. Viking press.

Chicago Style (17th ed.) Citation

Thoreau, Henry David. The Portable Thoreau. New York: Viking press, 1947.

MLA (9th ed.) Citation

Thoreau, Henry David. The Portable Thoreau. Viking press, 1947.

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