APA (7th ed.) Citation

Guillermo Paz- & Avelina Espinosa. (2012). Progressive Aikido: The Essential Elements. Universidad de León.

Chicago Style (17th ed.) Citation

Guillermo Paz- and Avelina Espinosa. Progressive Aikido: The Essential Elements. Universidad de León, 2012.

MLA (9th ed.) Citation

Guillermo Paz- and Avelina Espinosa. Progressive Aikido: The Essential Elements. Universidad de León, 2012.

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