APA (7th ed.) Citation

Preston, D. R. (1989). Perceptual dialectology: Nonlinguist's views of areal linguistics. Foris Publ.

Chicago Style (17th ed.) Citation

Preston, Dennis R. Perceptual Dialectology: Nonlinguist's Views of Areal Linguistics. Dordrecht, Holland u.a: Foris Publ, 1989.

MLA (9th ed.) Citation

Preston, Dennis R. Perceptual Dialectology: Nonlinguist's Views of Areal Linguistics. Foris Publ, 1989.

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