APA (7th ed.) Citation

Christophersen, P. F. (1946). Mnemotecnia: Arte memorativo. Guillermo Kraft.

Chicago Style (17th ed.) Citation

Christophersen, Pedro F. Mnemotecnia: Arte Memorativo. Buenos Aires: Guillermo Kraft, 1946.

MLA (9th ed.) Citation

Christophersen, Pedro F. Mnemotecnia: Arte Memorativo. Guillermo Kraft, 1946.

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