APA (7th ed.) Citation

Hillesum, E., Pomerans, A. J., & Gaarlandt, J. G. (1987). Letters from Westerbork. Jonathan Cape.

Chicago Style (17th ed.) Citation

Hillesum, Etty, Arnold J. Pomerans, and Jan G. Gaarlandt. Letters from Westerbork. London: Jonathan Cape, 1987.

MLA (8th ed.) Citation

Hillesum, Etty, et al. Letters from Westerbork. Jonathan Cape, 1987.