Cita APA (7a ed.)

Jeffery, K., & Hennessy, P. (1983). States of emergency: British Governments and strikebreaking since 1919. Routledge and Kegan Paul.

Cita Chicago Style (17a ed.)

Jeffery, Keith, y Peter Hennessy. States of Emergency: British Governments and Strikebreaking Since 1919. London [u.a.]: Routledge and Kegan Paul, 1983.

Cita MLA (9a ed.)

Jeffery, Keith, y Peter Hennessy. States of Emergency: British Governments and Strikebreaking Since 1919. Routledge and Kegan Paul, 1983.