APA (7th ed.) Citation

Correia-Caeiro, C., Romero, T., Guo, K., & Mills, D. S. Older adults looking at dog pictures - psychobiological effects. Elsevier.

Chicago Style (17th ed.) Citation

Correia-Caeiro, Catia, Teresa Romero, Kun Guo, and Daniel S. Mills. Older Adults Looking at Dog Pictures - Psychobiological Effects. Elsevier.

MLA (9th ed.) Citation

Correia-Caeiro, Catia, et al. Older Adults Looking at Dog Pictures - Psychobiological Effects. Elsevier.