APA-referens (7:e uppl.)

Hopkins, G. M., Bridges, R. S., & Abbott, C. C. (1955). The letters of Gerard Manley Hopkins to Robert Bridges. Oxford University Press.

Chicago-referens (17:e uppl.)

Hopkins, Gerard Manley, Robert Seymour Bridges, och Claude Collier Abbott. The Letters of Gerard Manley Hopkins to Robert Bridges. London, New York: Oxford University Press, 1955.

MLA-referens (8:e uppl.)

Hopkins, Gerard Manley, et al. The Letters of Gerard Manley Hopkins to Robert Bridges. Oxford University Press, 1955.