Cannon, W. B., & Field, R. M. (1945). International relations in science: A review of their aims and methods in the past and in the future. Chronica Botanica.

Cannon, Walter Bradford, and Richard Montgomery Field. International Relations in Science: A Review of Their Aims and Methods in the Past and in the Future. Waltham, Mass.: Chronica Botanica, 1945.

Cannon, Walter Bradford, and Richard Montgomery Field. International Relations in Science: A Review of Their Aims and Methods in the Past and in the Future. Chronica Botanica, 1945.