Cita APA (7th ed.)

Petersen, J. L. (1977). The [Greek pi] [Greek pi] [i.e. Pi Pi] interaction. European Organization for Nuclear Research.

Cita Chicago (17th ed.)

Petersen, Jens L. The [Greek Pi] [Greek Pi] [i.e. Pi Pi] Interaction. Geneva: European Organization for Nuclear Research, 1977.

Cita MLA (8th ed.)

Petersen, Jens L. The [Greek Pi] [Greek Pi] [i.e. Pi Pi] Interaction. European Organization for Nuclear Research, 1977.