APA (7th ed.) Citation

Helt, M. E. (1997). Discourse marker and stance adverbial variation in spoken American English: A corpus-based analysis. [publisher not identified].

Chicago Style (17th ed.) Citation

Helt, Marie E. Discourse Marker and Stance Adverbial Variation in Spoken American English: A Corpus-based Analysis. [Place of publication not identified]: [publisher not identified], 1997.

MLA (9th ed.) Citation

Helt, Marie E. Discourse Marker and Stance Adverbial Variation in Spoken American English: A Corpus-based Analysis. [publisher not identified], 1997.