APA

McKeever S., Foote M., . (1997). The Dorling Kindersley Science encyclopedia. London: A dorling Kindersley Book.

Chicago

McKeever Susan, Foote Martyn, . 1997. The Dorling Kindersley Science encyclopedia. London: A dorling Kindersley Book.

Harvard

McKeever S., Foote M., . (1997). The Dorling Kindersley Science encyclopedia. London: A dorling Kindersley Book.

MLA

McKeever Susan, Foote Martyn, . The Dorling Kindersley Science encyclopedia. London: A dorling Kindersley Book. 1997.