APA (7th ed.) Citation

Duffy, G. G., & Sherman, G. B. (1972). Systematic reading instruction. Harper & Row.

Chicago Style (17th ed.) Citation

Duffy, Gerald G., and George B. Sherman. Systematic Reading Instruction. New York,: Harper & Row, 1972.

MLA (8th ed.) Citation

Duffy, Gerald G., and George B. Sherman. Systematic Reading Instruction. Harper & Row, 1972.

Warning: These citations may not always be 100% accurate.