Cita APA (7th ed.)

FERRAR, W. (1969). Text-book of convergence. Oxford University Press.

Cita Chicago (17th ed.)

FERRAR, W.L. Text-book of Convergence. London: Oxford University Press, 1969.

Cita MLA (9th ed.)

FERRAR, W.L. Text-book of Convergence. Oxford University Press, 1969.