Parker, E. (1998). Forests for the future. Raintree Steck-Vaughn.
Cita Chicago Style (17a ed.)Parker, Edward. Forests for the Future. Austin, Texas: Raintree Steck-Vaughn, 1998.
Cita MLA (8a ed.)Parker, Edward. Forests for the Future. Raintree Steck-Vaughn, 1998.
Precaución: Estas citas no son 100% exactas.