APA (7th ed.) Citation

Beard, C. A., & Beard, W. (1967). Los presidentes de la historia norteamericana. Plaza & Janés.

Chicago Style (17th ed.) Citation

Beard, Charles Austin, and William Beard. Los Presidentes De La Historia Norteamericana. Buenos Aires [etc.]: Plaza & Janés, 1967.

MLA (9th ed.) Citation

Beard, Charles Austin, and William Beard. Los Presidentes De La Historia Norteamericana. Plaza & Janés, 1967.

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