APA (7th ed.) Citation

Burns, R., & Ferguson, J. D. L. (1931). The letters of Robert Burns. The Clarendon press.

Chicago Style (17th ed.) Citation

Burns, Robert, and J. De Lancey Ferguson. The Letters of Robert Burns. Oxford: The Clarendon press, 1931.

MLA (9th ed.) Citation

Burns, Robert, and J. De Lancey Ferguson. The Letters of Robert Burns. The Clarendon press, 1931.