Announcement.

MLA

“Announcement.” Journal of Clinical Periodontology, vol. 1, no. 3, Sept. 1974, pp. 183–84. EBSCOhost, https://doi.org/10.1111/j.1600-051X.1974.tb01255.x.

APA

Announcement. (1974). Journal of Clinical Periodontology, 1(3), 183–184. https://doi.org/10.1111/j.1600-051X.1974.tb01255.x

Chicago

“Announcement.” 1974. Journal of Clinical Periodontology 1 (3): 183–84. doi:10.1111/j.1600-051X.1974.tb01255.x.