Cita APA (7th ed.)

Sperring, M., & Paterson, A. (2012). The shape of my heart. Bloomsbury.

Cita Chicago (17th ed.)

Sperring, Mark, i Alys Paterson. The Shape of My Heart. New York: Bloomsbury, 2012.

Cita MLA (8th ed.)

Sperring, Mark, i Alys Paterson. The Shape of My Heart. Bloomsbury, 2012.