Cita APA (7a ed.)

Cohen, A. D. (1998). Strategies in learning and using a second language. Longman.

Cita Chicago Style (17a ed.)

Cohen, Andrew D. Strategies in Learning and Using a Second Language. London ; New York: Longman, 1998.

Cita MLA (9a ed.)

Cohen, Andrew D. Strategies in Learning and Using a Second Language. Longman, 1998.