APA (7th ed.) Citation

Guest, C. E. (1925). Credit difficulties biggest obstacle in trade with China. Sales Management., 9, 222.

Chicago Style (17th ed.) Citation

Guest, C. E. "Credit Difficulties Biggest Obstacle in Trade with China." Sales Management. 9 (1925): 222.

MLA (9th ed.) Citation

Guest, C. E. "Credit Difficulties Biggest Obstacle in Trade with China." Sales Management., vol. 9, 1925, p. 222.