APA (7th ed.) Citation

Mulder, J. W., & Hervey, S. G. (1972). Theory of the Linguistic Sign. De Gruyter. https://doi.org/10.1515/9783110822144

Chicago Style (17th ed.) Citation

Mulder, J. W., and S. G. Hervey. Theory of the Linguistic Sign. De Gruyter, 1972. https://doi.org/10.1515/9783110822144.

MLA (9th ed.) Citation

Mulder, J. W., and S. G. Hervey. Theory of the Linguistic Sign. De Gruyter, 1972. https://doi.org/10.1515/9783110822144.

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