APA (7th ed.) Citation

Stockil, J. H. (1938). Africa's challenge. The Knox Printing and Publishing Company.

Chicago Style (17th ed.) Citation

Stockil, J. Hudson. Africa's Challenge. Durban, South Africa: The Knox Printing and Publishing Company, 1938.

MLA (9th ed.) Citation

Stockil, J. Hudson. Africa's Challenge. The Knox Printing and Publishing Company, 1938.

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