APA (7th ed.) Citation

Burkhardt, R. W. (1977). The spirit of system: Lamarck and evolutionary biology. Harvard University Press.

Chicago Style (17th ed.) Citation

Burkhardt, Richard W.. The Spirit of System: Lamarck and Evolutionary Biology. Cambridge, Massachusetts ; London: Harvard University Press, 1977.

MLA (9th ed.) Citation

Burkhardt, Richard W.. The Spirit of System: Lamarck and Evolutionary Biology. Harvard University Press, 1977.

Warning: These citations may not always be 100% accurate.