Cita APA (7a ed.)

Simmons, I. G. (1993). Environmental history: A concise introduction. Blackwell.

Cita Chicago Style (17a ed.)

Simmons, I. G. Environmental History: A Concise Introduction. Oxford, UK ; Cambridge, Mass., USA: Blackwell, 1993.

Cita MLA (9a ed.)

Simmons, I. G. Environmental History: A Concise Introduction. Blackwell, 1993.