APA Style
Heywood, Ian, Cornelius, Sarah, Carver, Steve. (2011).
An Introduction to Geographical Information System (Ed. 4th).
Essex:
Prentice Hall.
Chicago Style
Heywood, Ian, Cornelius, Sarah, Carver, Steve.
An Introduction to Geographical Information System.
Ed. 4th
Essex:
Prentice Hall,
2011.
Text.
MLA Style
Heywood, Ian, Cornelius, Sarah, Carver, Steve.
An Introduction to Geographical Information System.
Ed. 4th
Essex:
Prentice Hall,
2011.
Text.
Turabian Style
Heywood, Ian, Cornelius, Sarah, Carver, Steve.
An Introduction to Geographical Information System.
Ed. 4th
Essex:
Prentice Hall,
2011.
Print.