Cita APA (7a ed.)

Sisteró, R. F. (1989). The working group on binary stars of the Cordoba Observatory.

Cita Chicago Style (17a ed.)

Sisteró, Roberto Félix. The Working Group on Binary Stars of the Cordoba Observatory. 1989.

Cita MLA (8a ed.)

Sisteró, Roberto Félix. The Working Group on Binary Stars of the Cordoba Observatory. 1989.