Fitch, C., & Young, M. (2021). Subterranea: Journey into the depths of the Earth's most extraordinary underground spaces. Timber Press.
Cita Chicago Style (17a ed.)Fitch, Chris, y Matthew Young. Subterranea: Journey into the Depths of the Earth's Most Extraordinary Underground Spaces. Portland, Oregon: Timber Press, 2021.
Cita MLA (8a ed.)Fitch, Chris, y Matthew Young. Subterranea: Journey into the Depths of the Earth's Most Extraordinary Underground Spaces. Timber Press, 2021.
Precaución: Estas citas no son 100% exactas.