Cita APA (7a ed.)

Keats, J. (1970). The Complete Works: Letters 1819 and 1820. AMS Press.

Cita Chicago Style (17a ed.)

Keats, John. The Complete Works: Letters 1819 and 1820. New York, Estados Unidos: AMS Press, 1970.

Cita MLA (9a ed.)

Keats, John. The Complete Works: Letters 1819 and 1820. AMS Press, 1970.