APA

Progoff I., . (1963). The symbolic and the real: a new psychological approach to the fuller experience of personal existence. New York: Julian.

Chicago

Progoff Ira, . 1963. The symbolic and the real: a new psychological approach to the fuller experience of personal existence. New York: Julian.

Harvard

Progoff I., . (1963). The symbolic and the real: a new psychological approach to the fuller experience of personal existence. New York: Julian.

MLA

Progoff Ira, . The symbolic and the real: a new psychological approach to the fuller experience of personal existence. New York: Julian. 1963.