Cita APA (7a ed.)

Creighton, H. C. (1983). Philosophy and the ecological problems of civilisation. Progress Publishers.

Cita Chicago Style (17a ed.)

Creighton, H. Campbell. Philosophy and the Ecological Problems of Civilisation. Moscow: Progress Publishers, 1983.

Cita MLA (9a ed.)

Creighton, H. Campbell. Philosophy and the Ecological Problems of Civilisation. Progress Publishers, 1983.