Cita APA (7a ed.)

Walter, I. (1975). International economics of pollution. Macmillan.

Cita Chicago Style (17a ed.)

Walter, Ingo. International Economics of Pollution. London [u.a.]: Macmillan, 1975.

Cita MLA (8a ed.)

Walter, Ingo. International Economics of Pollution. Macmillan, 1975.