Cita APA (7a ed.)

Schäfer, M., Ekman, T., Moor, O., & Castagna, G. (2009). Formalising and Verifying Reference Attribute Grammars in Coq. Springer.

Cita Chicago Style (17a ed.)

Schäfer, M., T. Ekman, O. Moor, y G. Castagna. Formalising and Verifying Reference Attribute Grammars in Coq. Springer, 2009.

Cita MLA (9a ed.)

Schäfer, M., et al. Formalising and Verifying Reference Attribute Grammars in Coq. Springer, 2009.