Cita APA (7th ed.)
ebrary, Inc, & Lucas, M. (2000). Environments. Routledge.
Cita Chicago (17th ed.)
ebrary, Inc, i Michael Lucas. Environments. London: Routledge, 2000.
Cita MLA (9th ed.)
ebrary, Inc, i Michael Lucas. Environments. Routledge, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.