Cita APA (7th ed.)
Thielicke, H. (1961). Nihilism: It's origin and nature - with a christian answer (1a. ed.). Routeledge and Kegan Paul.
Cita Chicago (17th ed.)
Thielicke, Helmut. Nihilism: It's Origin and Nature - with a Christian Answer. 1a. ed. Routeledge and Kegan Paul, 1961.
Cita MLA (9th ed.)
Thielicke, Helmut. Nihilism: It's Origin and Nature - with a Christian Answer. 1a. ed. Routeledge and Kegan Paul, 1961.
Atenció: Aquestes cites poden no estar 100% correctes.