Citazione Stile APA (7a Edizione)

(1974). Man and his personal freedom ; Responsibility and creativity in art anf literature ; Problems of determinism ; The future of philosophy. Sofia Pr..

Citazione stile Chigago Style (17a edizione)

Man and His Personal Freedom ; Responsibility and Creativity in Art Anf Literature ; Problems of Determinism ; The Future of Philosophy. Sofia: Sofia Pr., 1974.

Citatione MLA (8a ed.)

Man and His Personal Freedom ; Responsibility and Creativity in Art Anf Literature ; Problems of Determinism ; The Future of Philosophy. Sofia Pr., 1974.