एपीए उद्धरण

Ens, B. J., Meer, J. v. d., Oosterbeek, K., Rutten, A. L., & Verhulst, S. Experimental evidence for interference competition in oystercatchers, Haematopus ostralegus. I. Captive birds.

शिकागो स्टाइल उद्धरण

Ens, Bruno J., Jaap van der Meer, Kees Oosterbeek, Anne L. Rutten, और Simon Verhulst. Experimental Evidence for Interference Competition in Oystercatchers, Haematopus Ostralegus. I. Captive Birds.

एमएलए उद्धरण

Ens, Bruno J., et al. Experimental Evidence for Interference Competition in Oystercatchers, Haematopus Ostralegus. I. Captive Birds.