Cita APA (7th ed.)

Woodcock, T., & Robinson, J. M. (1990). The Oxford guide to heraldry. Oxford University Press.

Cita Chicago (17th ed.)

Woodcock, Thomas, i John Martin Robinson. The Oxford Guide to Heraldry. Oxford [England]: Oxford University Press, 1990.

Cita MLA (9th ed.)

Woodcock, Thomas, i John Martin Robinson. The Oxford Guide to Heraldry. Oxford University Press, 1990.