An apology for the true Christian divinity :
being an explanation and vindication of the principles and doctrines of the people called Quakers /
written in Latin and English by Robert Barclay.

APA Citation

Barclay, R. (1850). An apology for the true Christian divinity: being an explanation and vindication of the principles and doctrines of the people called Quakers. Philadelphia: For sale at Friends' book-store.

MLA Citation

Barclay, Robert, 1648-1690. An Apology for the True Christian Divinity: Being an Explanation And Vindication of the Principles And Doctrines of the People Called Quakers. Philadelphia: For sale at Friends' book-store, 1850.

Warning: These citations may not always be complete (especially for serials).