APA

Theunissen M., Harshav B. & Illbruck H. (2005). Kierkegaard's concept of despair. Princeton: Princeton University Press.

Chicago

Theunissen Michael, Harshav Barbara and Illbruck Helmut. 2005. Kierkegaard's concept of despair. Princeton: Princeton University Press.

Harvard

Theunissen M., Harshav B. and Illbruck H. (2005). Kierkegaard's concept of despair. Princeton: Princeton University Press.

MLA

Theunissen Michael, Harshav Barbara and Illbruck Helmut. Kierkegaard's concept of despair. Princeton: Princeton University Press. 2005.