APA (7th ed.) Citation

Kaucher, E., Klatte, R., & Ullrich, C. (1981). BASIC. Bibliograph. Inst.

Chicago Style (17th ed.) Citation

Kaucher, Edgar, Rudi Klatte, and Christian Ullrich. BASIC. Mannheim [u.a.]: Bibliograph. Inst, 1981.

MLA (9th ed.) Citation

Kaucher, Edgar, et al. BASIC. Bibliograph. Inst, 1981.