APA (7th ed.) Citation

Hatch, E., & Lazaraton, A. (1991). The research manual: Design and statistics for applied linguistics. Harper Collins Publ. Inc.

Chicago Style (17th ed.) Citation

Hatch, Evelyn, and Anne Lazaraton. The Research Manual: Design and Statistics for Applied Linguistics. New York: Harper Collins Publ. Inc, 1991.

MLA (9th ed.) Citation

Hatch, Evelyn, and Anne Lazaraton. The Research Manual: Design and Statistics for Applied Linguistics. Harper Collins Publ. Inc, 1991.