APA Citation

Krashen, S. D. (1986). The input hypothesis: Issues and implications. London: Longman.

Chicago Style Citation

Krashen, Stephen D. The Input Hypothesis: Issues and Implications. London: Longman, 1986.

MLA Citation

Krashen, Stephen D. The Input Hypothesis: Issues and Implications. London: Longman, 1986.

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