APA

Burkhardt R., . (1995). The spirit of system : Lamarck and evolutionary biology. Cambridge: Harvard University Press.

Chicago

Burkhardt R.w, . 1995. The spirit of system : Lamarck and evolutionary biology. Cambridge: Harvard University Press.

Harvard

Burkhardt R., . (1995). The spirit of system : Lamarck and evolutionary biology. Cambridge: Harvard University Press.

MLA

Burkhardt R.w, . The spirit of system : Lamarck and evolutionary biology. Cambridge: Harvard University Press. 1995.