Style de citation APA (7e éd.)

Strzałkowski, W. (1982). The active character of thinking. [s. n.].

Style de citation Chicago (17e éd.)

Strzałkowski, Wiesław. The Active Character of Thinking. London: [s. n.], 1982.

Style de citation MLA (9e éd.)

Strzałkowski, Wiesław. The Active Character of Thinking. [s. n.], 1982.