Παραπομπή σε μορφή APA (7η εκδ.)

Colgan, H. V. (1941). Devotions under the flag: A prayer book for Catholic men in every branch of the service. Catholic Publications Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Colgan, H. V. Devotions Under the Flag: A Prayer Book for Catholic Men in Every Branch of the Service. New York: Catholic Publications Press, 1941.

Παραπομπή σε μορφή MLA (8th εκδ.)

Colgan, H. V. Devotions Under the Flag: A Prayer Book for Catholic Men in Every Branch of the Service. Catholic Publications Press, 1941.