The theory of potential and spherical harmonics,
by Wolfgang J. Sternberg and Turner L. Smith.

APA Citation

Sternberg, W. J., Smith, T. L. (Turner Linn). (19521946). The theory of potential and spherical harmonics. 2d ed. Toronto: Univ. of Toronto Press.

MLA Citation

Sternberg, Wolfgang J., 1887-, and Turner L. (Turner Linn) Smith. The Theory of Potential And Spherical Harmonics. 2d ed. Toronto: Univ. of Toronto Press, 19521946.

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