Cita APA (7a ed.)

Concari, L., & Rodríguez, M. S. .. U. (1983). Snap!: An English course for younger learners: Stage 1 (1st pub. repr.). Heinemann.

Cita Chicago Style (17a ed.)

Concari, Leonor, y María Sara . Urrestarazu Rodríguez. Snap!: An English Course for Younger Learners: Stage 1. 1st pub. repr. Oxford [etc.]: Heinemann, 1983.

Cita MLA (9a ed.)

Concari, Leonor, y María Sara . Urrestarazu Rodríguez. Snap!: An English Course for Younger Learners: Stage 1. 1st pub. repr. Heinemann, 1983.