APA (7th ed.) Citation

Priestley, J. (1776). Observations on the harmony of the Evangelists. [publisher not identified].

Chicago Style (17th ed.) Citation

Priestley, Joseph. Observations on the Harmony of the Evangelists. [London?]: [publisher not identified], 1776.

MLA (9th ed.) Citation

Priestley, Joseph. Observations on the Harmony of the Evangelists. [publisher not identified], 1776.

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