APA Style
HEINZELMAN, O, H., HIGHSMITH, J, R, M. (1967).
World Regional Geography (1).
New York:
Prentice Hall, Inc..
MLA Style
HEINZELMAN, OLIVER, H.., HIGHSMITH, JR.,, RICHARD, M..
"World Regional Geography".
1
New York:
Prentice Hall, Inc.,
1967.
Text.