APA (7th ed.) Citation

Henningsen, A. F., Christensen, C. C., & Breengaard, M. H. (2010). Indledning. The Royal Danish Library.

Chicago Style (17th ed.) Citation

Henningsen, Anne Folke, Connie Carøe Christensen, and Michala Hvidt Breengaard. Indledning. The Royal Danish Library, 2010.

MLA (8th ed.) Citation

Henningsen, Anne Folke, et al. Indledning. The Royal Danish Library, 2010.