APA

Tillich P., . (1963). Christianity and the encounter of the world religions. New York: Columbia University Press.

Chicago

Tillich Paul, . 1963. Christianity and the encounter of the world religions. New York: Columbia University Press.

Harvard

Tillich P., . (1963). Christianity and the encounter of the world religions. New York: Columbia University Press.

MLA

Tillich Paul, . Christianity and the encounter of the world religions. New York: Columbia University Press. 1963.