APA (7th ed.) Citation

Ban, A. W. v. d., & Hawkins, H. S. (1988). Agricultural extension. Longman.

Chicago Style (17th ed.) Citation

Ban, A. W. van den, and H. Stuart Hawkins. Agricultural Extension. Burnt Mill, Eng.: Longman, 1988.

MLA (9th ed.) Citation

Ban, A. W. van den, and H. Stuart Hawkins. Agricultural Extension. Longman, 1988.