APA (7. basım) Alıntı

Colorado Mining Association. Mining year book. The Colorado Mining Association.

Chicago Style (17. basım) Atıf

Colorado Mining Association. Mining Year Book. Denver: The Colorado Mining Association.

MLA (8th ed.) Atıf

Colorado Mining Association. Mining Year Book. The Colorado Mining Association.

Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..