Cita APA (7a ed.)

Houghton, J. T. (1994). Global warming: The complete briefing. Lion.

Cita Chicago Style (17a ed.)

Houghton, John Theodore. Global Warming: The Complete Briefing. Oxford [etc.]: Lion, 1994.

Cita MLA (9a ed.)

Houghton, John Theodore. Global Warming: The Complete Briefing. Lion, 1994.