APA (7th ed.) Citation

Köll, H., Lange, S., & Ruffini, F. V. Detours of Trans-alpine Goods Transport by Road. Institut de Géographie Alpine.

Chicago Style (17th ed.) Citation

Köll, Helmut, Sandra Lange, and Flavio V. Ruffini. Detours of Trans-alpine Goods Transport by Road. Institut de Géographie Alpine.

MLA (9th ed.) Citation

Köll, Helmut, et al. Detours of Trans-alpine Goods Transport by Road. Institut de Géographie Alpine.