Cita APA (7a ed.)

Blumenau, R. (2013). Philosophy and living. Andrews UK Limited.

Cita Chicago Style (17a ed.)

Blumenau, Ralph. Philosophy and Living. [Luton, England]: Andrews UK Limited, 2013.

Cita MLA (9a ed.)

Blumenau, Ralph. Philosophy and Living. Andrews UK Limited, 2013.