Citação norma APA

Wold, M. (2001). The environment of active galactic nuclei: Excess counts and the nature of their host clusters.

Citação norma Chicago

Wold, Margrethe. The Environment of Active Galactic Nuclei: Excess Counts and the Nature of Their Host Clusters. 2001.

Citação norma MLA

Wold, Margrethe. The Environment of Active Galactic Nuclei: Excess Counts and the Nature of Their Host Clusters. 2001.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.