APA (7th ed.) Citation

International Conference on Historical Linguistics, Traugott, E. C., Labrum, R., & Shepherd, S. (1980). Papers from the 4th International Conference on Historical Linguistics. John Benjamins.

Chicago Style (17th ed.) Citation

International Conference on Historical Linguistics, Elizabeth Closs Traugott, Rebecca Labrum, and Susan Shepherd. Papers from the 4th International Conference on Historical Linguistics. Amsterdam: John Benjamins, 1980.

MLA (9th ed.) Citation

International Conference on Historical Linguistics, et al. Papers from the 4th International Conference on Historical Linguistics. John Benjamins, 1980.