APA (7th ed.) Citation

Compukort, Greenland Tourism A/S, & Harvey Map Services. (1994). Vandrekort. Greenland Tourism a/s.

Chicago Style (17th ed.) Citation

Compukort, Greenland Tourism A/S, and Harvey Map Services. Vandrekort. [Denmark?]: Greenland Tourism a/s, 1994.

MLA (8th ed.) Citation

Compukort, et al. Vandrekort. Greenland Tourism a/s, 1994.