Tillich, P. (1973). The boundaries of our being: A collection of his sermons. The eternal now and the new being with his autobiographical sketch, On the boundary. Collins.
Chicago Style (17th ed.) CitationTillich, Paul. The Boundaries of Our Being: A Collection of His Sermons. The Eternal Now and the New Being with His Autobiographical Sketch, On the Boundary. London: Collins, 1973.
MLA (8th ed.) CitationTillich, Paul. The Boundaries of Our Being: A Collection of His Sermons. The Eternal Now and the New Being with His Autobiographical Sketch, On the Boundary. Collins, 1973.
Warning: These citations may not always be 100% accurate.