Cita APA (7th ed.)

Hartman, J., & Koschalka, B. (2015). Philosophical heuristics. Peter Lang Edition.

Cita Chicago (17th ed.)

Hartman, Jan, i Ben Koschalka. Philosophical Heuristics. Frankfurt am Main, [Germany]: Peter Lang Edition, 2015.

Cita MLA (9th ed.)

Hartman, Jan, i Ben Koschalka. Philosophical Heuristics. Peter Lang Edition, 2015.