Cita APA (7a ed.)

Robertson, S., & Cassidy, F. G. (1955). The development of modern English (2nd ed. / revised by Frederic G. Cassidy.). Prentice-Hall.

Cita Chicago Style (17a ed.)

Robertson, Stuart, y Frederic Gomes Cassidy. The Development of Modern English. 2nd ed. / revised by Frederic G. Cassidy. New York: Prentice-Hall, 1955.

Cita MLA (9a ed.)

Robertson, Stuart, y Frederic Gomes Cassidy. The Development of Modern English. 2nd ed. / revised by Frederic G. Cassidy. Prentice-Hall, 1955.