Cita APA

Williams, W. E. (1973). Fourier series and boundary-value problems. Allen & Unwin.

Citación estilo Chicago

Williams, William Elwyn. Fourier Series and Boundary-value Problems. London: Allen & Unwin, 1973.

Cita MLA

Williams, William Elwyn. Fourier Series and Boundary-value Problems. Allen & Unwin, 1973.