Moore, P. (1964). The sky at night. Eyre & Spottiswoode.
Cita Chicago Style (17a ed.)Moore, Patrick. The Sky at Night. London: Eyre & Spottiswoode, 1964.
Cita MLA (8a ed.)Moore, Patrick. The Sky at Night. Eyre & Spottiswoode, 1964.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.