APA (7th ed.) Citation

Conrad, S., & Biber, D. (2001). Variation in english: Multi-dimensional studies. Pearson Education.

Chicago Style (17th ed.) Citation

Conrad, Susan, and Douglas Biber. Variation in English: Multi-dimensional Studies. Essex: Pearson Education, 2001.

MLA (9th ed.) Citation

Conrad, Susan, and Douglas Biber. Variation in English: Multi-dimensional Studies. Pearson Education, 2001.

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