APA (7th ed.) Citation

Buchanan, K. M. (1972). The geography of empire. Spokesman.

Chicago Style (17th ed.) Citation

Buchanan, Keith M. The Geography of Empire. Nottingham: Spokesman, 1972.

MLA (9th ed.) Citation

Buchanan, Keith M. The Geography of Empire. Spokesman, 1972.

Warning: These citations may not always be 100% accurate.