Cita APA (7a ed.)

Selby, S. M., & Sweet, L. (1963). Sets, relations, functions: An introduction. McGraw-Hill.

Cita Chicago Style (17a ed.)

Selby, Samuel M., y Leonard Sweet. Sets, Relations, Functions: An Introduction. New York: McGraw-Hill, 1963.

Cita MLA (8a ed.)

Selby, Samuel M., y Leonard Sweet. Sets, Relations, Functions: An Introduction. McGraw-Hill, 1963.