Cita APA (7a ed.)

GREENALL, S., & PYE, D. (1993). Reading 1. Cambridge univ. Press.

Cita Chicago Style (17a ed.)

GREENALL, Simon, y Diana PYE. Reading 1. Cambridge: Cambridge univ. Press, 1993.

Cita MLA (9a ed.)

GREENALL, Simon, y Diana PYE. Reading 1. Cambridge univ. Press, 1993.