Παραπομπή σε μορφή APA (7η εκδ.)
Richardson Don. (1981). Eternity in their hearts: He has made everything beautiful in its time........ (ed.). Regal Books.
Παραπομπή σε μορφή Chicago (17η εκδ.)
Richardson Don. Eternity in Their Hearts: He Has Made Everything Beautiful in Its Time........ ed. CA U.S.A: Regal Books, 1981.
Παραπομπή σε μορφή MLA (9th εκδ.)
Richardson Don. Eternity in Their Hearts: He Has Made Everything Beautiful in Its Time........ ed. Regal Books, 1981.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.