Cita APA (7a ed.)

Lewis, R. D. (2003). The cultural imperative: Global trends in the 21st century. Intercultural Press.

Cita Chicago Style (17a ed.)

Lewis, Richard D. The Cultural Imperative: Global Trends in the 21st Century. Yarmouth, Maine: Intercultural Press, 2003.

Cita MLA (9a ed.)

Lewis, Richard D. The Cultural Imperative: Global Trends in the 21st Century. Intercultural Press, 2003.