Cita APA (7a ed.)

Hoeg, P. (1993). High latitude cusp signatures. Danish Meteorological Institute.

Cita Chicago Style (17a ed.)

Hoeg, Per. High Latitude Cusp Signatures. Copenhagen: Danish Meteorological Institute, 1993.

Cita MLA (9a ed.)

Hoeg, Per. High Latitude Cusp Signatures. Danish Meteorological Institute, 1993.