APA (7th ed.) Citation

N, J. (2000). The Journal: New chapter, new century. American Journal of Public Health, 90(1), 19. https://doi.org/10.2105/ajph.90.1.19

Chicago Style (17th ed.) Citation

N, Johnson. "The Journal: New Chapter, New Century." American Journal of Public Health 90, no. 1 (2000): 19. https://doi.org/10.2105/ajph.90.1.19.

MLA (9th ed.) Citation

N, Johnson. "The Journal: New Chapter, New Century." American Journal of Public Health, vol. 90, no. 1, 2000, p. 19, https://doi.org/10.2105/ajph.90.1.19.