APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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