Cita APA (7a ed.)

Gass, P., & MacGregor, C. L. (1997). The journals of Patrick Gass: Member of the Lewis and Clark Expedition. Mountain Press Pub. Co..

Cita Chicago Style (17a ed.)

Gass, Patrick, y Carol Lynn MacGregor. The Journals of Patrick Gass: Member of the Lewis and Clark Expedition. Missoula, Mont.: Mountain Press Pub. Co., 1997.

Cita MLA (8a ed.)

Gass, Patrick, y Carol Lynn MacGregor. The Journals of Patrick Gass: Member of the Lewis and Clark Expedition. Mountain Press Pub. Co., 1997.

Precaución: Estas citas no son 100% exactas.