APA Style

Cohen, A., Kraak, A.. (1972). Spellen is Spellen is Spellen . Den Haag: Martinus Nijhoff.

Chicago Style

Cohen, A., Kraak, A.. Spellen is Spellen is Spellen. Den Haag: Martinus Nijhoff, 1972. Text.

MLA Style

Cohen, A., Kraak, A.. Spellen is Spellen is Spellen. Den Haag: Martinus Nijhoff, 1972. Text.

Turabian Style

Cohen, A., Kraak, A.. Spellen is Spellen is Spellen. Den Haag: Martinus Nijhoff, 1972. Print.