APA (7th ed.) Citation

Vallejo, C. (1980). Los heraldos negros 1918. Laia.

Chicago Style (17th ed.) Citation

Vallejo, César. Los Heraldos Negros 1918. Barcelona: Laia, 1980.

MLA (9th ed.) Citation

Vallejo, César. Los Heraldos Negros 1918. Laia, 1980.

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