Cita APA (7th ed.)
Holcomb, D. (1974). My father's watch: Aspects of physical world. Prentica-Hall.
Cita Chicago (17th ed.)
Holcomb, Donald. My Father's Watch: Aspects of Physical World. New Jersey: Prentica-Hall, 1974.
Cita MLA (9th ed.)
Holcomb, Donald. My Father's Watch: Aspects of Physical World. Prentica-Hall, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.