APA (7th ed.) Citation

Macchia, L., Okafor, C. N., Breedlove, T., Shiba, K., Piper, A., Johnson, B., & VanderWeele, T. J. Demographic variation in pain across 22 countries. Nature Portfolio.

Chicago Style (17th ed.) Citation

Macchia, Lucía, Chukwuemeka N. Okafor, Thomas Breedlove, Koichiro Shiba, Alan Piper, Byron Johnson, and Tyler J. VanderWeele. Demographic Variation in Pain Across 22 Countries. Nature Portfolio.

MLA (9th ed.) Citation

Macchia, Lucía, et al. Demographic Variation in Pain Across 22 Countries. Nature Portfolio.