APA (7th ed.) Citation

Chisholm, G. (1975). Chisholm`s handbook of commercial Geography (19th.). Longman.

Chicago Style (17th ed.) Citation

Chisholm, G. Chisholm`s Handbook of Commercial Geography. 19th. London: Longman, 1975.

MLA (9th ed.) Citation

Chisholm, G. Chisholm`s Handbook of Commercial Geography. 19th. Longman, 1975.