APA (7th ed.) Citation

Chen, C. (1957). Summation of the Fourier series of orthogonal functions. Science Press.

Chicago Style (17th ed.) Citation

Chen, Chien-kung. Summation of the Fourier Series of Orthogonal Functions. Peking: Science Press, 1957.

MLA (9th ed.) Citation

Chen, Chien-kung. Summation of the Fourier Series of Orthogonal Functions. Science Press, 1957.

Warning: These citations may not always be 100% accurate.