APA (7th ed.) Citation

Speer, E. R. (1969). Generalized feynman amplitudes. Princeton University.

Chicago Style (17th ed.) Citation

Speer, Eugene R. Generalized Feynman Amplitudes. Princeton: Princeton University, 1969.

MLA (9th ed.) Citation

Speer, Eugene R. Generalized Feynman Amplitudes. Princeton University, 1969.

Warning: These citations may not always be 100% accurate.