History and activities; constitutions and by-laws; directory of members. July, 1955.
APA Citation
American Association of Physics Teachers. (1955). History and activities; constitutions and by-laws; directory of members. July, 1955. [New York]: [American Institute of Physics].
MLA Citation
American Association of Physics Teachers. History And Activities; Constitutions And By-laws; Directory of Members. July, 1955. [New York]: [American Institute of Physics], 1955.
Warning: These citations may not always be complete (especially for serials).