Van der Weijden, G. A., Timmerman, M. F., Saxton, C. A., Russell, J. I., Huntington, E., & Van der Velden, U. (1994). Intra-/inter-examiner reproducibility study of gingival bleeding. Journal of periodontal research, 29(4), 236. https://doi.org/10.1111/j.1600-0765.1994.tb01217.x
Chicago Style (17th ed.) CitationVan der Weijden, G A., M F. Timmerman, C A. Saxton, J I. Russell, E. Huntington, and U. Van der Velden. "Intra-/inter-examiner Reproducibility Study of Gingival Bleeding." Journal of Periodontal Research 29, no. 4 (1994): 236. https://doi.org/10.1111/j.1600-0765.1994.tb01217.x.
MLA (9th ed.) CitationVan der Weijden, G A., et al. "Intra-/inter-examiner Reproducibility Study of Gingival Bleeding." Journal of Periodontal Research, vol. 29, no. 4, 1994, p. 236, https://doi.org/10.1111/j.1600-0765.1994.tb01217.x.