APA (7th ed.) Citation

Bolkestein, G. W., Eggink, H., & Goot, J. v. d. (1965). Europa (6. dr.). Wolters.

Chicago Style (17th ed.) Citation

Bolkestein, G. W., H. Eggink, and J. van der Goot. Europa. 6. dr. [Groningen]: Wolters, 1965.

MLA (9th ed.) Citation

Bolkestein, G. W., et al. Europa. 6. dr. Wolters, 1965.