APA (7th ed.) Citation

Herculano, A., & Mattoso, p. J. (1980). História de Portugal. Bertrand.

Chicago Style (17th ed.) Citation

Herculano, Alexandre, and pref. José Mattoso. História De Portugal. Bertrand, 1980.

MLA (8th ed.) Citation

Herculano, Alexandre, and pref. José Mattoso. História De Portugal. Bertrand, 1980.

Warning: These citations may not always be 100% accurate.