एपीए उद्धरण

Krauskopf, K. B. (2006). The physical universe. Boston: McGraw-Hill Higher Education.

शिकागो स्टाइल उद्धरण

Krauskopf, Konrad Bates. The Physical Universe. Boston: McGraw-Hill Higher Education, 2006.

एमएलए उद्धरण

Krauskopf, Konrad Bates. The Physical Universe. Boston: McGraw-Hill Higher Education, 2006.