Barker, Y. (2021). The breathing revolution: Train yourself to breathe properly to banish anxiety and find your inner calm. Green Tree.
Chicago Style (17th ed.) CitationBarker, Yolanda. The Breathing Revolution: Train Yourself to Breathe Properly to Banish Anxiety and Find Your Inner Calm. London: Green Tree, 2021.
MLA (8th ed.) CitationBarker, Yolanda. The Breathing Revolution: Train Yourself to Breathe Properly to Banish Anxiety and Find Your Inner Calm. Green Tree, 2021.
Warning: These citations may not always be 100% accurate.