Cita APA (7th ed.)
Albert, M., & Ringbeck, B. (2015). 40 years World Heritage Convention: Popularizing the protection of cultural and natural heritage. De Gruyter.
Cita Chicago (17th ed.)
Albert, Marie-Theres, i Birgitta Ringbeck. 40 Years World Heritage Convention: Popularizing the Protection of Cultural and Natural Heritage. Berlin, [Germany] ; Boston, [Massachusetts]: De Gruyter, 2015.
Cita MLA (9th ed.)
Albert, Marie-Theres, i Birgitta Ringbeck. 40 Years World Heritage Convention: Popularizing the Protection of Cultural and Natural Heritage. De Gruyter, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.