Cita APA (7a ed.)

Levering, M., & O'Regan, C. (2019). The Achievement of Hans Urs von Balthasar: An Introduction to His Trilogy. The Catholic University of America Press.

Cita Chicago Style (17a ed.)

Levering, Matthew, y Cyril O'Regan. The Achievement of Hans Urs Von Balthasar: An Introduction to His Trilogy. Washington, D.C.: The Catholic University of America Press, 2019.

Cita MLA (8a ed.)

Levering, Matthew, y Cyril O'Regan. The Achievement of Hans Urs Von Balthasar: An Introduction to His Trilogy. The Catholic University of America Press, 2019.