Simmonds, J. G., & Mann, J. E. (1986). A first look at perturbation theory / by James G. Simmonds and James E. Mann, Jr. R.E. Krieger Pub. Co..
Chicago Style (17th ed.) CitationSimmonds, James G., and James E. Mann. A First Look at Perturbation Theory / by James G. Simmonds and James E. Mann, Jr. Malabar, Fla.: R.E. Krieger Pub. Co., 1986.
MLA (9th ed.) CitationSimmonds, James G., and James E. Mann. A First Look at Perturbation Theory / by James G. Simmonds and James E. Mann, Jr. R.E. Krieger Pub. Co., 1986.
Warning: These citations may not always be 100% accurate.