Cita APA (7a ed.)

Duffy Gerald G. (1989). Improving classroom reading instruction (2nd ed.). Random House.

Cita Chicago Style (17a ed.)

Duffy Gerald G. Improving Classroom Reading Instruction. 2nd ed. New York: Random House, 1989.

Cita MLA (9a ed.)

Duffy Gerald G. Improving Classroom Reading Instruction. 2nd ed. Random House, 1989.