APA

Smiley S., Nash A. (. )., . (2002). Planet Earth. London: Kingfisher.

Chicago

Smiley Simon, Nash Andrew (Designer ), . 2002. Planet Earth. London: Kingfisher.

Harvard

Smiley S., Nash A. (. )., . (2002). Planet Earth. London: Kingfisher.

MLA

Smiley Simon, Nash Andrew (Designer ), . Planet Earth. London: Kingfisher. 2002.