APA(7版)引用形式

Welch, F. G., Twain, M., & Beard, F. (1872). That convention, or, Five days a politician. F.G. Welch.

Chicagoスタイル(17版)引用形式

Welch, F. G., Mark Twain, , Frank Beard. That Convention, or, Five Days a Politician. New York: F.G. Welch, 1872.

MLA(8版)引用形式

Welch, F. G., et al. That Convention, or, Five Days a Politician. F.G. Welch, 1872.