Cita APA (7a ed.)

Sheff, A. L. (1966). Bookkeepink made easy: With a section on business mathematics. Barnes, Noble Books.

Cita Chicago Style (17a ed.)

Sheff, Alexander L. Bookkeepink Made Easy: With a Section on Business Mathematics. New York: Barnes, Noble Books, 1966.

Cita MLA (8a ed.)

Sheff, Alexander L. Bookkeepink Made Easy: With a Section on Business Mathematics. Barnes, Noble Books, 1966.