American Psychological Association
Kierkegaard, Soren ( 1938 ). Purity of Heart Is to Will One Thing ( 00 ed. ). Collins Liturgical Publications.
Modern Language Association
Kierkegaard, Soren. Purity of Heart Is to Will One Thing . Collins Liturgical Publications. 1938
Chicago Citation
Kierkegaard, Soren. Purity of Heart Is to Will One Thing . 00 .London
: Collins Liturgical Publications, 1938.
American Medical Association
Kierkegaard, Soren. Purity of Heart Is to Will One Thing . Collins Liturgical Publications; 1938.