Cita APA (7a ed.)

Speyr, A. v., Balthasar, H. U. v., Hamilton, M. E., & Martin, D. D. (1995). My early years. Ignatius Press.

Cita Chicago Style (17a ed.)

Speyr, Adrienne von, Hans Urs von Balthasar, Mary Emily Hamilton, y Dennis D. Martin. My Early Years. San Francisco: Ignatius Press, 1995.

Cita MLA (9a ed.)

Speyr, Adrienne von, et al. My Early Years. Ignatius Press, 1995.