APA
Chisholm M., . (1975). Human geography. Great Britain: Penguin Books.
Chicago
Chisholm Michael, . 1975. Human geography. Great Britain: Penguin Books.
Harvard
Chisholm M., . (1975). Human geography. Great Britain: Penguin Books.
MLA
Chisholm Michael, . Human geography. Great Britain: Penguin Books. 1975.