Παραπομπή σε μορφή APA (7η εκδ.)

MacDonald, R. K. (1989). Christian's children: The influence of John Bunyan's "The Pilgrim's Progress" on American children's literature. Lang.

Παραπομπή σε μορφή Chicago (17η εκδ.)

MacDonald, Ruth K. Christian's Children: The Influence of John Bunyan's "The Pilgrim's Progress" on American Children's Literature. New York [u.a.]: Lang, 1989.

Παραπομπή σε μορφή MLA (8th εκδ.)

MacDonald, Ruth K. Christian's Children: The Influence of John Bunyan's "The Pilgrim's Progress" on American Children's Literature. Lang, 1989.