APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

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