APA (7th ed.) Citation

Baker, M. J. (1989). Editorial. Journal of Marketing Management, 5(2), 109. https://doi.org/10.1080/0267257X.1989.9964092

Chicago Style (17th ed.) Citation

Baker, M. J. "Editorial." Journal of Marketing Management 5, no. 2 (1989): 109. https://doi.org/10.1080/0267257X.1989.9964092.

MLA (9th ed.) Citation

Baker, M. J. "Editorial." Journal of Marketing Management, vol. 5, no. 2, 1989, p. 109, https://doi.org/10.1080/0267257X.1989.9964092.