Cita APA (7a ed.)

Doyle, M. W., Johnstone, I., & Orr, R. C. (1997). Keeping the peace: Multidimensional UN operations in Cambodia and El Salvador. University Press.

Cita Chicago Style (17a ed.)

Doyle, Michael W., Ian Johnstone, y Robert C. Orr. Keeping the Peace: Multidimensional UN Operations in Cambodia and El Salvador. Cambridge: University Press, 1997.

Cita MLA (9a ed.)

Doyle, Michael W., et al. Keeping the Peace: Multidimensional UN Operations in Cambodia and El Salvador. University Press, 1997.