APA
Soule M. E., . (1987). Viable populations for conservation. Cambridge: Cambridge University Press.
Chicago
Soule Michael E, . 1987. Viable populations for conservation. Cambridge: Cambridge University Press.
Harvard
Soule M. E., . (1987). Viable populations for conservation. Cambridge: Cambridge University Press.
MLA
Soule Michael E, . Viable populations for conservation. Cambridge: Cambridge University Press. 1987.