Jollands. Instant Calm: Natural ways to reduce stress. Lorenz Books.lc1998.
Chicago Style (17th ed.) CitationJollands. Instant Calm: Natural Ways to Reduce Stress. London, New York: Lorenz Books.lc1998.
MLA (9th ed.) CitationJollands. Instant Calm: Natural Ways to Reduce Stress. Lorenz Books.lc1998.
Warning: These citations may not always be 100% accurate.