Cita APA (7a ed.)

Kubiak, M. A., & Korzeniewska, I. (1973). Astronomical observatories in Poland. PWN Polish Scientific Publishers.

Cita Chicago Style (17a ed.)

Kubiak, Marcin Antoni, y Iwona Korzeniewska. Astronomical Observatories in Poland. Warszawa: PWN Polish Scientific Publishers, 1973.

Cita MLA (9a ed.)

Kubiak, Marcin Antoni, y Iwona Korzeniewska. Astronomical Observatories in Poland. PWN Polish Scientific Publishers, 1973.