Cita APA (7a ed.)

Liu, B., & Yu, E. S. (1977). Air pollution damage functions and regional damage estimates. Technomic Publ.

Cita Chicago Style (17a ed.)

Liu, Ben-chieh, y Eden S. Yu. Air Pollution Damage Functions and Regional Damage Estimates. Westport, Conn: Technomic Publ, 1977.

Cita MLA (9a ed.)

Liu, Ben-chieh, y Eden S. Yu. Air Pollution Damage Functions and Regional Damage Estimates. Technomic Publ, 1977.