Cita APA (7th ed.)
Laishley, A., & Brown, J. York: Official Guide to the City. Ben Johnson.
Cita Chicago (17th ed.)
Laishley, A.L, i John Brown. York: Official Guide to the City. York, Inglaterra: Ben Johnson.
Cita MLA (9th ed.)
Laishley, A.L, i John Brown. York: Official Guide to the City. Ben Johnson.
Atenció: Aquestes cites poden no estar 100% correctes.