APA-viite

D'Alba, L. B., Evans, N. P., Heidinger, B. J., Monaghan, P., & Spencer, K. A. Then versus now: Effect of developmental and current environmental conditions on incubation effort in birds.

Chicago-tyylinen lähdeviittaus

D'Alba, Liliana B., Neil P. Evans, Britt J. Heidinger, Pat Monaghan, ja Karen A. Spencer. Then Versus Now: Effect of Developmental and Current Environmental Conditions On Incubation Effort in Birds.

MLA-viite

D'Alba, Liliana B., et al. Then Versus Now: Effect of Developmental and Current Environmental Conditions On Incubation Effort in Birds.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.