APA (7th ed.) Citation

Bartold, P. M., Kylstra, A., & Lawson, R. (1994). Substance P: An immunohistochemical and biochemical study in human gingival tissues. A role for neurogenic inflammation? Journal of periodontology (1970), 65(12), 1113. https://doi.org/10.1902/jop.1994.65.12.1113

Chicago Style (17th ed.) Citation

Bartold, P M., A. Kylstra, and R. Lawson. "Substance P: An Immunohistochemical and Biochemical Study in Human Gingival Tissues. A Role for Neurogenic Inflammation?" Journal of Periodontology (1970) 65, no. 12 (1994): 1113. https://doi.org/10.1902/jop.1994.65.12.1113.

MLA (9th ed.) Citation

Bartold, P M., et al. "Substance P: An Immunohistochemical and Biochemical Study in Human Gingival Tissues. A Role for Neurogenic Inflammation?" Journal of Periodontology (1970), vol. 65, no. 12, 1994, p. 1113, https://doi.org/10.1902/jop.1994.65.12.1113.

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