APA (7th ed.) Citation

Clark, D. (1858). Kansas--the law of slavery: Speech. [publisher not identified].

Chicago Style (17th ed.) Citation

Clark, Daniel. Kansas--the Law of Slavery: Speech. [Place of publication not identified]: [publisher not identified], 1858.

MLA (9th ed.) Citation

Clark, Daniel. Kansas--the Law of Slavery: Speech. [publisher not identified], 1858.