APA (7th ed.) Citation

Parker, J., & Parker, D. (1991). Parker's astrology. Dorling Kindersley.

Chicago Style (17th ed.) Citation

Parker, Julia, and Derek Parker. Parker's Astrology. London: Dorling Kindersley, 1991.

MLA (9th ed.) Citation

Parker, Julia, and Derek Parker. Parker's Astrology. Dorling Kindersley, 1991.

Warning: These citations may not always be 100% accurate.