Cita APA (7a ed.)

Bartels, T., Berk, J., Cramer, K., Kanitz, E., & Otten, W. (2021). Research Note: It's not just stress—fecal contamination of plumage may affect feather corticosterone concentration. Elsevier.

Cita Chicago Style (17a ed.)

Bartels, T., J. Berk, K. Cramer, E. Kanitz, y W. Otten. Research Note: It's Not Just Stress—fecal Contamination of Plumage May Affect Feather Corticosterone Concentration. Elsevier, 2021.

Cita MLA (8a ed.)

Bartels, T., et al. Research Note: It's Not Just Stress—fecal Contamination of Plumage May Affect Feather Corticosterone Concentration. Elsevier, 2021.