Blair, S. (2016). The creaky knees guide, Pacific Northwest national parks and monuments: The best 75 easy hikes. Sasquatch Books.
Cita Chicago Style (17a ed.)Blair, Seabury. The Creaky Knees Guide, Pacific Northwest National Parks and Monuments: The Best 75 Easy Hikes. Seattle: Sasquatch Books, 2016.
Cita MLA (8a ed.)Blair, Seabury. The Creaky Knees Guide, Pacific Northwest National Parks and Monuments: The Best 75 Easy Hikes. Sasquatch Books, 2016.
Precaución: Estas citas no son 100% exactas.