Roberts, D., & Elfer, J. (2022). Into the great emptiness: Peril and survival on the greenland ice cap (Unabridged.). Blackstone Publishing.
Chicago Style (17th ed.) CitationRoberts, David, and Julian Elfer. Into the Great Emptiness: Peril and Survival on the Greenland Ice Cap. Unabridged. Ashland: Blackstone Publishing, 2022.
MLA引文Roberts, David, and Julian Elfer. Into the Great Emptiness: Peril and Survival on the Greenland Ice Cap. Unabridged. Blackstone Publishing, 2022.
警告:這些引文格式不一定是100%准確.