APA (7th ed.) Citation

Aksakov, S. T., & Duff, J. D. (1917). A Russian schoolboy. E. Arnold.

Chicago Style (17th ed.) Citation

Aksakov, S. T., and J. D. Duff. A Russian Schoolboy. London: E. Arnold, 1917.

MLA (9th ed.) Citation

Aksakov, S. T., and J. D. Duff. A Russian Schoolboy. E. Arnold, 1917.