APA (7. basım) Alıntı
Hall, A. (1881). Observations of double stars made at the U.S. Naval Observatory.
Chicago Style (17. basım) Atıf
Hall, Asaph. Observations of Double Stars Made at the U.S. Naval Observatory. Washington, 1881.
MLA (9th ed.) Atıf
Hall, Asaph. Observations of Double Stars Made at the U.S. Naval Observatory. 1881.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..