MLA

Brémond Gabriel de, and Person of quality. The Happy Slave, a Pleasant Novel : in Three Parts Compleat / Written in French by ... S. Bremond ; and Rendered into English, by a Person of Quality. Printed by T.R. & N.T. for James Magnes and Richard Bentley, 1678. https://collections.library.yale.edu/catalog/10460167.

APA, 6th edition

Brémond Gabriel de, & of quality, P. (1678). The happy slave, a pleasant novel : in three parts compleat / written in French by ... S. Bremond ; and rendered into English, by a person of quality. Printed by T.R. & N.T. for James Magnes and Richard Bentley, https://collections.library.yale.edu/catalog/10460167.