APA-referens (7:e uppl.)

Higginson, T. W. (1902). John Greenleaf Whittier. Macmillan.

Chicago-referens (17:e uppl.)

Higginson, Thomas Wentworth. John Greenleaf Whittier. New York: Macmillan, 1902.

MLA-referens (8:e uppl.)

Higginson, Thomas Wentworth. John Greenleaf Whittier. Macmillan, 1902.