Cita APA (7th ed.)

WILLIAMSON, R. E. (1972). Calculus of vector functions.

Cita Chicago (17th ed.)

WILLIAMSON, Richard E. Calculus of Vector Functions. Englewood Cliffs, 1972.

Cita MLA (9th ed.)

WILLIAMSON, Richard E. Calculus of Vector Functions. 1972.

Atenció: Aquestes cites poden no estar 100% correctes.