Cita APA (7a ed.)

Merkl, P. H., Weinberg, L., Merkl, P. H., Merkl, P. H., & Weinberg, L. (2003). Right-wing extremism in the twenty-first century (2. rev. ed.). Frank Cass.

Cita Chicago Style (17a ed.)

Merkl, Peter Hans, Leonard Weinberg, Peter H. Merkl, Peter Hans Merkl, y Leonard Weinberg. Right-wing Extremism in the Twenty-first Century. 2. rev. ed. London [u.a.]: Frank Cass, 2003.

Cita MLA (8a ed.)

Merkl, Peter Hans, et al. Right-wing Extremism in the Twenty-first Century. 2. rev. ed. Frank Cass, 2003.