APA Style
Muller, P, O., Harm, J, D, B.
(1988).
Geography Regions And Concepts
(
Ed. 52)
.
New York:
John Wiley & Sons.
MLA Style
Muller, Peter, O.., Harm, J., De, Blij.
"Geography Regions And Concepts".
Ed. 52
New York:
John Wiley & Sons,
1988.
Text.