APA (7th ed.) Citation

Crone, G. R. (1969). Background to political geography / by C.R. Crone. Pitman.

Chicago Style (17th ed.) Citation

Crone, G. R. Background to Political Geography / by C.R. Crone. Pitman, 1969.

MLA (9th ed.) Citation

Crone, G. R. Background to Political Geography / by C.R. Crone. Pitman, 1969.

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