APA   Click to copy
Armston-Sheret, E. The Grip of the Ice: Scott, Shackleton and Survival in the Frozen Frontier (pp. https://harpercollins.co.uk/products/the-grip-of-the-ice-scott-shackleton-and-survival-in-the-frozen-frontier-ed-armston-sheret?variant=55785724739963). Mudlark/HarperCollins .

Chicago/Turabian   Click to copy
Armston-Sheret, Ed. The Grip of the Ice: Scott, Shackleton and Survival in the Frozen Frontier. Mudlark/HarperCollins , n.d.

MLA   Click to copy
Armston-Sheret, Ed. The Grip of the Ice: Scott, Shackleton and Survival in the Frozen Frontier. Mudlark/HarperCollins , pp. https://harpercollins.co.uk/products/the-grip-of-the-ice-scott-shackleton-and-survival-in-the-frozen-frontier-ed-armston-sheret?variant=55785724739963.

@book{ed-a,
  title = {The Grip of the Ice: Scott, Shackleton and Survival in the Frozen Frontier},
  pages = {https://harpercollins.co.uk/products/the-grip-of-the-ice-scott-shackleton-and-survival-in-the-frozen-frontier-ed-armston-sheret?variant=55785724739963},
  publisher = {Mudlark/HarperCollins },
  author = {Armston-Sheret, Ed}
}