एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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