APA (7th ed.) Citation

Boehm, R., Coolsaet, W., & Frederix, L. (1988). Perestroïka. Gent: Kritiek.

Chicago Style (17th ed.) Citation

Boehm, Rudolf, Willy Coolsaet, and L. Frederix. Perestroïka. Gent: Kritiek, 1988.

MLA (8th ed.) Citation

Boehm, Rudolf, et al. Perestroïka. Gent: Kritiek, 1988.