APA (7th ed.) Citation

Kim, S. H. (1990). Essence of creativity: A guide to tackling difficult problems. Oxford University Press.

Chicago Style (17th ed.) Citation

Kim, Steven H. Essence of Creativity: A Guide to Tackling Difficult Problems. New York: Oxford University Press, 1990.

MLA (9th ed.) Citation

Kim, Steven H. Essence of Creativity: A Guide to Tackling Difficult Problems. Oxford University Press, 1990.