Cita APA (7th ed.)

Lovitt, W. V. (1939). Elementary theory of equations. Prentice-Hall.

Cita Chicago (17th ed.)

Lovitt, William Vernon. Elementary Theory of Equations. New York: Prentice-Hall, 1939.

Cita MLA (9th ed.)

Lovitt, William Vernon. Elementary Theory of Equations. Prentice-Hall, 1939.