Transactions ... September 5th, 1887.
Edited for the Executive Committee by John B. Hamilton.

APA Citation

International Medical Congress (9th : 1887 : Washington, D., Hamilton, J. Brown. (1887). Transactions ... September 5th, 1887. Washington, D.C..

MLA Citation

International Medical Congress (9th : 1887 : Washington, D.C.), and John Brown Hamilton. Transactions ... September 5th, 1887. Washington, D.C., 1887.

Warning: These citations may not always be complete (especially for serials).