APA

Ricoeur P., . (1996). A key to Husserl´s ideas I. Milwaukee, USA: marquette University press.

Chicago

Ricoeur Paul, . 1996. A key to Husserl´s ideas I. Milwaukee, USA: marquette University press.

Harvard

Ricoeur P., . (1996). A key to Husserl´s ideas I. Milwaukee, USA: marquette University press.

MLA

Ricoeur Paul, . A key to Husserl´s ideas I. Milwaukee, USA: marquette University press. 1996.