Long, J., & Gaines, B. (2014). Climbing anchors field guide (Second edition.). FalconGuides.
Cita Chicago Style (17a ed.)Long, John, y Bob Gaines. Climbing Anchors Field Guide. Second edition. Guilford, Connecticut: FalconGuides, 2014.
Cita MLA (8a ed.)Long, John, y Bob Gaines. Climbing Anchors Field Guide. Second edition. FalconGuides, 2014.
Precaución: Estas citas no son 100% exactas.