Cita APA (7th ed.)
SIDDALL, R. (1998). KEEP THEM SAFE.
Cita Chicago (17th ed.)
SIDDALL, R. KEEP THEM SAFE. 1998.
Cita MLA (9th ed.)
SIDDALL, R. KEEP THEM SAFE. 1998.
Atenció: Aquestes cites poden no estar 100% correctes.