Handbook of mathematical functions with formulas, graphs, and mathematical tables,
edited by Milton Abramowitz and Irene A. Stegun.

APA Citation

Abramowitz, M., Stegun, I. A. (1965). Handbook of mathematical functions with formulas, graphs, and mathematical tables. Washington: U.S. Govt. Print. Off..

MLA Citation

Abramowitz, Milton, 1915-1958, and Irene A Stegun. Handbook of Mathematical Functions With Formulas, Graphs, And Mathematical Tables. Washington: U.S. Govt. Print. Off., 1965.

Warning: These citations may not always be complete (especially for serials).