APA

Walsberg G. E., . (1977). Ecology and energetics of contrasting social systems in Phainopepla nitens (Aves: Ptilogonatidae). Berkeley, Calif. [u.a.]: Univ. of California Press.

Chicago

Walsberg Glenn E, . 1977. Ecology and energetics of contrasting social systems in Phainopepla nitens (Aves: Ptilogonatidae). Berkeley, Calif. [u.a.]: Univ. of California Press.

Harvard

Walsberg G. E., . (1977). Ecology and energetics of contrasting social systems in Phainopepla nitens (Aves: Ptilogonatidae). Berkeley, Calif. [u.a.]: Univ. of California Press.

MLA

Walsberg Glenn E, . Ecology and energetics of contrasting social systems in Phainopepla nitens (Aves: Ptilogonatidae). Berkeley, Calif. [u.a.]: Univ. of California Press. 1977.