Tohutoro APA (7th ed.)

Johansson, J., & Escoms, N. Insomnia (1a.ed.). V.

Cita Chicago Style (17a ed.)

Johansson, J.R., me Nora Escoms. Insomnia. 1a.ed. Buenos Aires: V.

Cita MLA (9a ed.)

Johansson, J.R., me Nora Escoms. Insomnia. 1a.ed. V.