APA (7th ed.) Citation

Magee, B., & Pujadas, L. (1974). Popper. Grijalbo.

Chicago Style (17th ed.) Citation

Magee, Bryan, and Lluis Pujadas. Popper. Barcelona [etc.]: Grijalbo, 1974.

MLA (9th ed.) Citation

Magee, Bryan, and Lluis Pujadas. Popper. Grijalbo, 1974.

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