Cita APA (7a ed.)

Hefferan, E. K. (2025). Frommer's Yellowstone & Grand Teton National Parks (12th edition.). Frommer Media.

Cita Chicago Style (17a ed.)

Hefferan, Elisabeth Kwak. Frommer's Yellowstone & Grand Teton National Parks. 12th edition. [New York]: Frommer Media, 2025.

Cita MLA (8a ed.)

Hefferan, Elisabeth Kwak. Frommer's Yellowstone & Grand Teton National Parks. 12th edition. Frommer Media, 2025.

Precaución: Estas citas no son 100% exactas.