Παραπομπή σε μορφή APA (7η εκδ.)

Costello, A. (1977). How to pray when troubled: From His cross to yours. Liquori Publications.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Costello, Andrew. How to Pray When Troubled: From His Cross to Yours. Liquori, Mo.: Liquori Publications, 1977.

Παραπομπή σε μορφή MLA (8th εκδ.)

Costello, Andrew. How to Pray When Troubled: From His Cross to Yours. Liquori Publications, 1977.