Morgan-Cole, T. (2007). When do we become immortal? Health & Home.
Cita Chicago (17th ed.)Morgan-Cole, Trudy. "When Do We Become Immortal?" Health & Home 2007.
Cita MLA (9th ed.)Morgan-Cole, Trudy. "When Do We Become Immortal?" Health & Home, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.