Smelser, Neil J. and Reed, John S.. "Frontmatter". Usable Social Science, Berkeley: University of California Press, 2012, pp. i-iv. https://doi.org/10.1525/9780520954144-fm
Smelser, N. & Reed, J. (2012). Frontmatter. In Usable Social Science (pp. i-iv). Berkeley: University of California Press. https://doi.org/10.1525/9780520954144-fm
Smelser, Neil J. and Reed, John S.. "Frontmatter" In Usable Social Science, i-iv. Berkeley: University of California Press, 2012. https://doi.org/10.1525/9780520954144-fm