APA Citation

Willoughby, W. (1925). Opium as an international problem: The geneva conferences. Baltimore: The John Hopkins Press.

Chicago Style Citation

Willoughby, W.W. Opium As an International Problem: The Geneva Conferences. Baltimore: The John Hopkins Press, 1925.

MLA Citation

Willoughby, W.W. Opium As an International Problem: The Geneva Conferences. Baltimore: The John Hopkins Press, 1925.

Warning: These citations may not always be 100% accurate.