APA (7e ed.) Bronvermelding
Deeken, A. (1972). Growing old, and how to cope with it. Paulist.
Chicago (17e ed.) Bronvermelding
Deeken, Alfons. Growing Old, and How to Cope with It. New York: Paulist, 1972.
MLA (9e ed.) Bronvermelding
Deeken, Alfons. Growing Old, and How to Cope with It. Paulist, 1972.
Let op: Deze citaties zijn niet altijd 100% accuraat.