APA (7th ed.) Citation

Bybee, J. L., & Fleischman, S. (1995). Modality in grammar and discourse. John Benjamins.

Chicago Style (17th ed.) Citation

Bybee, Joan L., and Suzanne Fleischman. Modality in Grammar and Discourse. Amsterdam [etc.]: John Benjamins, 1995.

MLA (9th ed.) Citation

Bybee, Joan L., and Suzanne Fleischman. Modality in Grammar and Discourse. John Benjamins, 1995.