APA

Magill Frank N,, . (1997). Chronology of twentieth-century history Vol. II : Ecology and the environment. London: Fitzroy Dearborn Publishers.

Chicago

Magill Frank N,, . 1997. Chronology of twentieth-century history Vol. II : Ecology and the environment. London: Fitzroy Dearborn Publishers.

Harvard

Magill Frank N,, . (1997). Chronology of twentieth-century history Vol. II : Ecology and the environment. London: Fitzroy Dearborn Publishers.

MLA

Magill Frank N,, . Chronology of twentieth-century history Vol. II : Ecology and the environment. London: Fitzroy Dearborn Publishers. 1997.