Cita APA (7th ed.)

Davis, H. F. (1989). Fourier series and orthogonal functions. Dover Publications.

Cita Chicago (17th ed.)

Davis, Harry F. Fourier Series and Orthogonal Functions. New York: Dover Publications, 1989.

Cita MLA (9th ed.)

Davis, Harry F. Fourier Series and Orthogonal Functions. Dover Publications, 1989.