एपीए उद्धरण

H. J. de Blij. (1999). Human geography: Culture, society and space. New York: John Wiley and Sons.

शिकागो स्टाइल उद्धरण

H. J. de Blij. Human Geography: Culture, Society and Space. New York: John Wiley and Sons, 1999.

एमएलए उद्धरण

H. J. de Blij. Human Geography: Culture, Society and Space. New York: John Wiley and Sons, 1999.