APA (7. basım) Alıntı

Thybony Scot & Chesley, P. The rockies: Pillars of a continent. D.C..

Chicago Style (17. basım) Atıf

Thybony Scot ve Paul Chesley. The Rockies: Pillars of a Continent. Washington: D.C..

MLA (9th ed.) Atıf

Thybony Scot ve Paul Chesley. The Rockies: Pillars of a Continent. D.C..