APA (7th ed.) Citation

Smith, C. (2013). Marcellus, Marcus Claudius, nephew of Augustus.

Chicago Style (17th ed.) Citation

Smith, Christopher. Marcellus, Marcus Claudius, Nephew of Augustus. 2013.

MLA (9th ed.) Citation

Smith, Christopher. Marcellus, Marcus Claudius, Nephew of Augustus. 2013.

Warning: These citations may not always be 100% accurate.