एपीए उद्धरण

Gruber, R., Schiestl, M., Boeckle, M., Frohnwieser, A., Miller, R., Gray, R. D., . . . Taylor, A. H. (2019). New Caledonian Crows Use Mental Representations to Solve Metatool Problems. Curr Biol.

शिकागो स्टाइल उद्धरण

Gruber, Romana, Martina Schiestl, Markus Boeckle, Anna Frohnwieser, Rachael Miller, Russell D. Gray, Nicola S. Clayton, और Alex H. Taylor. "New Caledonian Crows Use Mental Representations to Solve Metatool Problems." Curr Biol 2019.

एमएलए उद्धरण

Gruber, Romana, et al. "New Caledonian Crows Use Mental Representations to Solve Metatool Problems." Curr Biol 2019.