Cita APA (7th ed.)
Porter, B., & Averill, N. (2014). Poland in the modern world: Beyond martyrdom. Wiley-Blackwell.
Cita Chicago (17th ed.)
Porter, Brian, i Nicki Averill. Poland in the Modern World: Beyond Martyrdom. Chichester, England: Wiley-Blackwell, 2014.
Cita MLA (9th ed.)
Porter, Brian, i Nicki Averill. Poland in the Modern World: Beyond Martyrdom. Wiley-Blackwell, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.