Cita APA (7a ed.)

Girard, J., Taylor, P., & Lafont, Y. (1990). Proofs and types ([1st. ed., rep.].). Instituto de Estudios Financieros.

Cita Chicago Style (17a ed.)

Girard, Jean-Yves, Paul Taylor, y Yves Lafont. Proofs and Types. [1st. ed., rep.]. [Madrid]: Instituto de Estudios Financieros, 1990.

Cita MLA (9a ed.)

Girard, Jean-Yves, et al. Proofs and Types. [1st. ed., rep.]. Instituto de Estudios Financieros, 1990.