APA

Hobson E., . (1921). The theory of functions of a real variable and the theory of Fourier's series. Cambridge: Cambridge University Press.

Chicago

Hobson E.V, . 1921. The theory of functions of a real variable and the theory of Fourier's series. Cambridge: Cambridge University Press.

Harvard

Hobson E., . (1921). The theory of functions of a real variable and the theory of Fourier's series. Cambridge: Cambridge University Press.

MLA

Hobson E.V, . The theory of functions of a real variable and the theory of Fourier's series. Cambridge: Cambridge University Press. 1921.