Cita APA (American Psychological Association)

E.T.A & E.T.A. Zutabe. [E.T.A.].

Citación Chicago Style

E.T.A and E.T.A. Zutabe. [S.l.]: [E.T.A.].

Cita MLA (Modern Language Association of America)

E.T.A and E.T.A. Zutabe. [E.T.A.].