Cita APA (7th ed.)
Grotstein, J. S. (2009). "... But at the same time and on another level.". Karnac Books.
Cita Chicago (17th ed.)
Grotstein, James S. "... But at the Same Time and on Another Level.". London: Karnac Books, 2009.
Cita MLA (9th ed.)
Grotstein, James S. "... But at the Same Time and on Another Level.". Karnac Books, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.