Cicero, Marcus Tullius. "Frontmatter". How to Be a Friend: An Ancient Guide to True Friendship, Princeton: Princeton University Press, 2018, pp. i-iv. https://doi.org/10.23943/9780691183893-fm
Cicero, M. (2018). Frontmatter. In How to Be a Friend: An Ancient Guide to True Friendship (pp. i-iv). Princeton: Princeton University Press. https://doi.org/10.23943/9780691183893-fm
Cicero, M. 2018. Frontmatter. How to Be a Friend: An Ancient Guide to True Friendship. Princeton: Princeton University Press, pp. i-iv. https://doi.org/10.23943/9780691183893-fm
Cicero, Marcus Tullius. "Frontmatter" In How to Be a Friend: An Ancient Guide to True Friendship, i-iv. Princeton: Princeton University Press, 2018. https://doi.org/10.23943/9780691183893-fm
Cicero M. Frontmatter. In: How to Be a Friend: An Ancient Guide to True Friendship. Princeton: Princeton University Press; 2018. p.i-iv. https://doi.org/10.23943/9780691183893-fm