Cita APA (7a ed.)

Smith, G. J., & Salmon, D. (1903). Longman's English grammar. Longmans, Green and Co..

Cita Chicago Style (17a ed.)

Smith, George James, y David Salmon. Longman's English Grammar. New York: Longmans, Green and Co., 1903.

Cita MLA (8a ed.)

Smith, George James, y David Salmon. Longman's English Grammar. Longmans, Green and Co., 1903.