APA (7th ed.) Citation

Newcastle, M. C., & Newcastle, W. C. (1678). A Collection of letters and poems: Microform. Printed by Langly Curtis ....

Chicago Style (17th ed.) Citation

Newcastle, Margaret Cavendish, and William Cavendish Newcastle. A Collection of Letters and Poems: Microform. London: Printed by Langly Curtis ..., 1678.

MLA (9th ed.) Citation

Newcastle, Margaret Cavendish, and William Cavendish Newcastle. A Collection of Letters and Poems: Microform. Printed by Langly Curtis ..., 1678.