APA (7th ed.) Citation

Thoreau, H. D. (1971). Reflections at Walden. Hallmark.

Chicago Style (17th ed.) Citation

Thoreau, Henry David. Reflections at Walden. [Kansas City, Mo: Hallmark, 1971.

MLA (9th ed.) Citation

Thoreau, Henry David. Reflections at Walden. Hallmark, 1971.

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