Speer, E. R. (1969). Generalized Feynman amplitudes. Princeton University.
Chicago Style (17th ed.) CitationSpeer, Eugene R. Generalized Feynman Amplitudes. Princeton: Princeton University, 1969.
MLA (9th ed.) CitationSpeer, Eugene R. Generalized Feynman Amplitudes. Princeton University, 1969.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.