APA
Lewis D., . (2004). Free your breath, free your life : how conscious breathing can relieve stress, increase vitality, and help you live more fully. Boston, MA: Shambhala.
Chicago
Lewis Dennis, . 2004. Free your breath, free your life : how conscious breathing can relieve stress, increase vitality, and help you live more fully. Boston, MA: Shambhala.
Harvard
Lewis D., . (2004). Free your breath, free your life : how conscious breathing can relieve stress, increase vitality, and help you live more fully. Boston, MA: Shambhala.
MLA
Lewis Dennis, . Free your breath, free your life : how conscious breathing can relieve stress, increase vitality, and help you live more fully. Boston, MA: Shambhala. 2004.