APA Style

Abrahamson, E., Usher M.B.. (1973). Biological Management and Conservation . London: Chapman and Hall Inc..

Chicago Style

Abrahamson, E., Usher M.B.. Biological Management and Conservation. London: Chapman and Hall Inc., 1973. .

MLA Style

Abrahamson, E., Usher M.B.. Biological Management and Conservation. London: Chapman and Hall Inc., 1973. .

Turabian Style

Abrahamson, E., Usher M.B.. Biological Management and Conservation. London: Chapman and Hall Inc., 1973. .