APA (7th ed.) Citation

Allen, G. C. (1927). Modern Japan and its problems. E. P. Dutton.

Chicago Style (17th ed.) Citation

Allen, George Cyril. Modern Japan and Its Problems. New York: E. P. Dutton, 1927.

MLA (9th ed.) Citation

Allen, George Cyril. Modern Japan and Its Problems. E. P. Dutton, 1927.