Cita APA (7th ed.)

Gaskell, R. E. (1958). Engineering mathematics. Dryden Press.

Cita Chicago (17th ed.)

Gaskell, Robert Eugene. Engineering Mathematics. New York: Dryden Press, 1958.

Cita MLA (9th ed.)

Gaskell, Robert Eugene. Engineering Mathematics. Dryden Press, 1958.