Cita APA (7a ed.)

Nicholl, D., & Hastings, A. (1998). The Testing of Hearts. Darton, Longman and Todd.

Cita Chicago Style (17a ed.)

Nicholl, Donald, y Adrian Hastings. The Testing of Hearts. [London]: Darton, Longman and Todd, 1998.

Cita MLA (9a ed.)

Nicholl, Donald, y Adrian Hastings. The Testing of Hearts. Darton, Longman and Todd, 1998.