Cita APA (7th ed.)

Gibson, G. A. (1901). An elementary treatise on the calculus. Macmillan.

Cita Chicago (17th ed.)

Gibson, George A. An Elementary Treatise on the Calculus. Londres: Macmillan, 1901.

Cita MLA (9th ed.)

Gibson, George A. An Elementary Treatise on the Calculus. Macmillan, 1901.