APA-viite (7. p.)

Hobson, E. W. (1931). The theory of spherical and ellipsoidal harmonics. The University press.

Chicago-viite (17. p.)

Hobson, Ernest William. The Theory of Spherical and Ellipsoidal Harmonics. Cambridge [Eng.]: The University press, 1931.

MLA-viite (9. p.)

Hobson, Ernest William. The Theory of Spherical and Ellipsoidal Harmonics. The University press, 1931.