Fitch, C., & Young, M. (2021). Subterranea: Journey into the depths of the Earth's most extraordinary underground spaces. Timber Press.
Chicago Style (17th ed.) CitationFitch, Chris, and Matthew Young. Subterranea: Journey into the Depths of the Earth's Most Extraordinary Underground Spaces. Portland, Oregon: Timber Press, 2021.
MLA引文Fitch, Chris, and Matthew Young. Subterranea: Journey into the Depths of the Earth's Most Extraordinary Underground Spaces. Timber Press, 2021.
警告:這些引文格式不一定是100%准確.