Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Illum Hansen, S., & Hansen, S. I. (1993). Passage graves in Denmark: Construction and restoration. Ministry of the Environment [...].

Chicago Citation Edition Citation

Illum Hansen, Svend, und Svend Illum Hansen. Passage Graves in Denmark: Construction and Restoration. København: Ministry of the Environment [...], 1993.

MLA Citation Edition Citation

Illum Hansen, Svend, und Svend Illum Hansen. Passage Graves in Denmark: Construction and Restoration. Ministry of the Environment [...], 1993.