APA (7th ed.) Zitazioa
Stewart, J., & Koch, C. H. (2008). Johan Ludvig Heiberg: Philosopher, littérateur, dramaturge, and political thinker. Museum Tusculanum Press.
Chicago Style (17th ed.) Zitazioa
Stewart, Jon, eta Carl Henrik Koch. Johan Ludvig Heiberg: Philosopher, Littérateur, Dramaturge, and Political Thinker. Copenhagen, Denmark: Museum Tusculanum Press, 2008.
MLA (9th ed.) Zitazioa
Stewart, Jon, eta Carl Henrik Koch. Johan Ludvig Heiberg: Philosopher, Littérateur, Dramaturge, and Political Thinker. Museum Tusculanum Press, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.