APA (7th ed.) Citation

Barker, J. A. Pionero de paradigmas. s. e..

Chicago Style (17th ed.) Citation

Barker, Joel Arthur. Pionero De Paradigmas. [S. l.: s. e..

MLA (9th ed.) Citation

Barker, Joel Arthur. Pionero De Paradigmas. s. e..

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