APA (7th ed.) Citation

Leach, N. (2021). Insight Guides US national parks west (Seventh edition.). Insight Guides.

Chicago Style (17th ed.) Citation

Leach, Nicky. Insight Guides US National Parks West. Seventh edition. [London]: Insight Guides, 2021.

MLA (8th ed.) Citation

Leach, Nicky. Insight Guides US National Parks West. Seventh edition. Insight Guides, 2021.

Warning: These citations may not always be 100% accurate.