APA
Nuffield Secondary Science, . (1971). Theme 8 : The earth and its place in the universe. london: Longman Groups Ltd.
Chicago
Nuffield Secondary Science, . 1971. Theme 8 : The earth and its place in the universe. london: Longman Groups Ltd.
Harvard
Nuffield Secondary Science, . (1971). Theme 8 : The earth and its place in the universe. london: Longman Groups Ltd.
MLA
Nuffield Secondary Science, . Theme 8 : The earth and its place in the universe. london: Longman Groups Ltd. 1971.