Parkes, A., & Dennis, F. (1993). Backlash : a biologist looks at problems of population and the environment / Alan S. Parkes with the assistance of Frances Dennis: A biologist looks at problems of population and the environment. (Parkes Foundation).
Chicago Style (17th ed.) CitationParkes, Alan, and Frances Dennis. Backlash : A Biologist Looks at Problems of Population and the Environment / Alan S. Parkes with the Assistance of Frances Dennis: A Biologist Looks at Problems of Population and the Environment. (S.l.): (Parkes Foundation), 1993.
MLA (9th ed.) CitationParkes, Alan, and Frances Dennis. Backlash : A Biologist Looks at Problems of Population and the Environment / Alan S. Parkes with the Assistance of Frances Dennis: A Biologist Looks at Problems of Population and the Environment. (Parkes Foundation), 1993.