APA
Yourgrau W., Mandelstan S., . (1979). Variational principles in dynamics and quantum theory. New York: Dover Publications.
Chicago
Yourgrau Wolfgang, Mandelstan Stanley, . 1979. Variational principles in dynamics and quantum theory. New York: Dover Publications.
Harvard
Yourgrau W., Mandelstan S., . (1979). Variational principles in dynamics and quantum theory. New York: Dover Publications.
MLA
Yourgrau Wolfgang, Mandelstan Stanley, . Variational principles in dynamics and quantum theory. New York: Dover Publications. 1979.