APA (7th ed.) Citation

Blatchford, R., Troelstra, P. J., & Polak, H. Droevig Engeland. Amsterdam: Soep.

Chicago Style (17th ed.) Citation

Blatchford, Robert, Pieter Jelles Troelstra, and Henri Polak. Droevig Engeland. Amsterdam: Soep.

MLA (8th ed.) Citation

Blatchford, Robert, et al. Droevig Engeland. Amsterdam: Soep.