APA-viite

Ligon, R. A., & Hill, G. E. Feeding decisions of eastern bluebirds are situationally influenced by fledgling plumage color.

Chicago-tyylinen lähdeviittaus

Ligon, Russell A., ja Geoffrey E. Hill. Feeding Decisions of Eastern Bluebirds Are Situationally Influenced By Fledgling Plumage Color.

MLA-viite

Ligon, Russell A., ja Geoffrey E. Hill. Feeding Decisions of Eastern Bluebirds Are Situationally Influenced By Fledgling Plumage Color.

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