Παραπομπή σε μορφή APA (7η εκδ.)

Hoff, E., Keller, M., & Barthold, J. (2020). Scenic science of the national parks: An explorer's guide to wildlife, geology, and botany (First edition.). Ten Speed Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hoff, Emily, Maygen Keller, και Jillian Barthold. Scenic Science of the National Parks: An Explorer's Guide to Wildlife, Geology, and Botany. First edition. California: Ten Speed Press, 2020.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hoff, Emily, et al. Scenic Science of the National Parks: An Explorer's Guide to Wildlife, Geology, and Botany. First edition. Ten Speed Press, 2020.