Cita APA (7a ed.)

Yamada, Y., & Murai, M. Two Designs of Power Assisted Ehwwlchair.

Cita Chicago Style (17a ed.)

Yamada, Yuichi, y Masayuki Murai. Two Designs of Power Assisted Ehwwlchair.

Cita MLA (9a ed.)

Yamada, Yuichi, y Masayuki Murai. Two Designs of Power Assisted Ehwwlchair.