Cita APA

Anker, L., Litzell, G., Lundberg, B. A., & Tanner, R. (2002). World heritage sites in Sweden. The Swedish Institute.

Citación estilo Chicago

Anker, Leif, Gunilla Litzell, Bengt A. Lundberg, and Roger Tanner. World Heritage Sites in Sweden. [Stockholm]: The Swedish Institute, 2002.

Cita MLA

Anker, Leif, et al. World Heritage Sites in Sweden. The Swedish Institute, 2002.