Schwinger Julian. (1973). Particles,sources and fields/vol.2. Addison-Wesley.
Chicago Edition CitationSchwinger Julian. Particles,sources and Fields/vol.2. London: Addison-Wesley, 1973.
MLA Edition CitationSchwinger Julian. Particles,sources and Fields/vol.2. Addison-Wesley, 1973.
Warning: These citations may not always be 100% accurate.