एपीए उद्धरण

Getis, A. (2008). Introduction to Geography. Boston: McGraw-Hill Higher Education.

शिकागो स्टाइल उद्धरण

Getis, Arthur. Introduction to Geography. Boston: McGraw-Hill Higher Education, 2008.

एमएलए उद्धरण

Getis, Arthur. Introduction to Geography. Boston: McGraw-Hill Higher Education, 2008.