Cita APA (7a ed.)

Burkhardt, R. W. (1995). The spirit of system: Lamarck and evolutionary biology : now with Lamarck in 1995 (1st Harvard University Press pbk. ed.). Harvard University Press.

Cita Chicago Style (17a ed.)

Burkhardt, Richard W. The Spirit of System: Lamarck and Evolutionary Biology : Now with Lamarck in 1995. 1st Harvard University Press pbk. ed. Cambridge (Massachusetts) [etc.]: Harvard University Press, 1995.

Cita MLA (9a ed.)

Burkhardt, Richard W. The Spirit of System: Lamarck and Evolutionary Biology : Now with Lamarck in 1995. 1st Harvard University Press pbk. ed. Harvard University Press, 1995.