Walker, M. P. (2018). Why we sleep: The new science of sleep and dreams. Penguin Books.
芝加哥风格引文Walker, Matthew P. Why We Sleep: The New Science of Sleep and Dreams. UK: Penguin Books, 2018.
MLA引文Walker, Matthew P. Why We Sleep: The New Science of Sleep and Dreams. Penguin Books, 2018.
警告：这些引文格式不一定是100％准确.