Cita APA (7a ed.)

Cooney, F., Hughes, G., Kelly, P., & O'Reilly, S. (2020). Modern studies: International issues (Higher, second edition.). Hodder Gibson.

Cita Chicago Style (17a ed.)

Cooney, Frank, Gary Hughes, Pauline Kelly, y Steph O'Reilly. Modern Studies: International Issues. Higher, second edition. Glasgow: Hodder Gibson, 2020.

Cita MLA (9a ed.)

Cooney, Frank, et al. Modern Studies: International Issues. Higher, second edition. Hodder Gibson, 2020.