Cita APA (7a ed.)

Heringa, A. W., & Kiiver, P. (2009). Constitutions compared: An introduction to comparative constitutional law (2nd ed.). Intersentia [etc.].

Cita Chicago Style (17a ed.)

Heringa, Aalt Willem, y Philipp Kiiver. Constitutions Compared: An Introduction to Comparative Constitutional Law. 2nd ed. Antwerp [etc.]: Intersentia [etc.], 2009.

Cita MLA (9a ed.)

Heringa, Aalt Willem, y Philipp Kiiver. Constitutions Compared: An Introduction to Comparative Constitutional Law. 2nd ed. Intersentia [etc.], 2009.