APA (7th ed.) Citation

Whittier, J. G., & Foster, J. (1882). Letters, 5 Oct. 1891 and 24 Jan. 1882.

Chicago Style (17th ed.) Citation

Whittier, John Greenleaf, and John Foster. Letters, 5 Oct. 1891 and 24 Jan. 1882. 1882.

MLA (8th ed.) Citation

Whittier, John Greenleaf, and John Foster. Letters, 5 Oct. 1891 and 24 Jan. 1882. 1882.

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