Cita APA (7th ed.)
Brown, L. R. (1993). The world watch reader on global environmental issues. EAEP.
Cita Chicago (17th ed.)
Brown, Lester R. The World Watch Reader on Global Environmental Issues. Nairobi: EAEP, 1993.
Cita MLA (9th ed.)
Brown, Lester R. The World Watch Reader on Global Environmental Issues. EAEP, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.