APA (7th ed.) Citation

Donckier, E., Denolf, L., Martens, A., & Arits, T. (1991). Former miners: Training and redeployment. Brussels: Permanente Werkgroep Limburg.

Chicago Style (17th ed.) Citation

Donckier, Eric, Lieven Denolf, Albert Martens, and Tjeu Arits. Former Miners: Training and Redeployment. Brussels: Permanente Werkgroep Limburg, 1991.

MLA (8th ed.) Citation

Donckier, Eric, et al. Former Miners: Training and Redeployment. Brussels: Permanente Werkgroep Limburg, 1991.