Cita APA (7th ed.)

Leishman, J. (1963). Themes and variation in Shakespeare's sonnets. Hutchinson University.

Cita Chicago (17th ed.)

Leishman, J.B. Themes and Variation in Shakespeare's Sonnets. London: Hutchinson University, 1963.

Cita MLA (9th ed.)

Leishman, J.B. Themes and Variation in Shakespeare's Sonnets. Hutchinson University, 1963.