APA (7th ed.) Citation

Ripper, W. E., & George, L. (1965). Cotton pests of the Sudan: Their habits and control. Blackwell Scientific Publications.

Chicago Style (17th ed.) Citation

Ripper, Walter Eugene, and Lloyd George. Cotton Pests of the Sudan: Their Habits and Control. Oxford: Blackwell Scientific Publications, 1965.

MLA (9th ed.) Citation

Ripper, Walter Eugene, and Lloyd George. Cotton Pests of the Sudan: Their Habits and Control. Blackwell Scientific Publications, 1965.