Cita APA (7a ed.)

Grotstein, J. S. (2009). "... But at the same time and on another level.". Karnac Books.

Cita Chicago Style (17a ed.)

Grotstein, James S. "... But at the Same Time and on Another Level.". London: Karnac Books, 2009.

Cita MLA (8a ed.)

Grotstein, James S. "... But at the Same Time and on Another Level.". Karnac Books, 2009.