APA
Seidel J., Susanne F. & Leonard C. (1995). The ethnograph v4.0: a users guide. Estados Unidos: Qualis Research Associates.
Chicago
Seidel John, Susanne Friese and Leonard Christopher. 1995. The ethnograph v4.0: a users guide. Estados Unidos: Qualis Research Associates.
Harvard
Seidel J., Susanne F. and Leonard C. (1995). The ethnograph v4.0: a users guide. Estados Unidos: Qualis Research Associates.
MLA
Seidel John, Susanne Friese and Leonard Christopher. The ethnograph v4.0: a users guide. Estados Unidos: Qualis Research Associates. 1995.