MLA

Coracle Press, Cutts, Simon, 1944-, Van Horn, Erica., creator. Sans signaux. 1990. https://collections.library.yale.edu/catalog/2055139.

APA, 6th edition

Coracle Press, & Cutts, Simon, 1944-, & Van Horn, Erica., creator. (1990)[Sans signaux]. https://collections.library.yale.edu/catalog/2055139.