APA (7th ed.) Citation

Pen, J. (1977). Economia moderna. Dom Quixote.

Chicago Style (17th ed.) Citation

Pen, Jan. Economia Moderna. Dom Quixote, 1977.

MLA (8th ed.) Citation

Pen, Jan. Economia Moderna. Dom Quixote, 1977.

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