APA引文

Twain, M., Williams, T., Mullen, f., Smith, H. E., & Branch, E. M. (2011). Roughing it. University of California Press.

Chicago Style (17th ed.) Citation

Twain, Mark, True Williams, fl Mullen, Harriet Elinor Smith, and Edgar Marquess Branch. Roughing It. Berkeley: University of California Press, 2011.

MLA引文

Twain, Mark, et al. Roughing It. University of California Press, 2011.