APA引文

Churchill, R. V. B. (1987). Fourier series and boundary value problems (4.).

Chicago Edition Citation

Churchill, Ruel V; Brown. Fourier Series and Boundary Value Problems. 4. McGraw-Hill Book Co., New York, 1987.

MLA引文

Churchill, Ruel V; Brown. Fourier Series and Boundary Value Problems. 4. 1987.