APA (7th ed.) Citation

GRAEFF, E., MARTINS, C. E., & SALLUM JR., B. Nova República de Tancredo a Sarney.

Chicago Style (17th ed.) Citation

GRAEFF, EDUARDO, Carlos Estevam MARTINS, and Brasílio SALLUM JR. Nova República De Tancredo a Sarney.

MLA (8th ed.) Citation

GRAEFF, EDUARDO, et al. Nova República De Tancredo a Sarney.