APA

Kierkegaard S. 1., Steere D. V. t., . (1956). Purity of heart is to will one thing. New York: Harper & Row.

Chicago

Kierkegaard Søren 1813-1855, Steere Douglas V tr, . 1956. Purity of heart is to will one thing. New York: Harper & Row.

Harvard

Kierkegaard S. 1., Steere D. V. t., . (1956). Purity of heart is to will one thing. New York: Harper & Row.

MLA

Kierkegaard Søren 1813-1855, Steere Douglas V tr, . Purity of heart is to will one thing. New York: Harper & Row. 1956.