MLA

Asekoff, Louis, et al. Black Dog White Bark #2. s.n, 1986. https://collections.library.yale.edu/catalog/2055134.

APA, 6th edition

Asekoff, L., Van Horn, E., & creator. (1986). Black dog white bark #2 [Artists' books]. s.n. https://collections.library.yale.edu/catalog/2055134.