Julia & Derek Parker. (2001). Parkers' Astrology: The essential guide to using astrology in your daily life. Dorling Kindersley.
Citação norma ChicagoJulia and Derek Parker. Parkers' Astrology: The Essential Guide to Using Astrology in Your Daily Life. London: Dorling Kindersley, 2001.
Citação norma MLAJulia and Derek Parker. Parkers' Astrology: The Essential Guide to Using Astrology in Your Daily Life. Dorling Kindersley, 2001.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.