Παραπομπή APA

Coleman, S. (1991). Quantum cosmology and baby universes: V7. World Scientific.

Παραπομπή Chicago Style

Coleman, S. Quantum Cosmology and Baby Universes: V7. Singapore: World Scientific, 1991.

Παραπομπή MLA

Coleman, S. Quantum Cosmology and Baby Universes: V7. World Scientific, 1991.