Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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