Cita APA (7th ed.)

Hieke, A., & Leitgeb, H. (2009). Reduction, abstraction, analysis. Ontos Verlag.

Cita Chicago (17th ed.)

Hieke, Alexander, i Hannes Leitgeb. Reduction, Abstraction, Analysis. Frankfurt: Ontos Verlag, 2009.

Cita MLA (9th ed.)

Hieke, Alexander, i Hannes Leitgeb. Reduction, Abstraction, Analysis. Ontos Verlag, 2009.