APA (7th ed.) Citation

Erbe, R., & Walch, G. (1975). An interactive guidance system for method libraries. IBM Wiss. Zentrum.

Chicago Style (17th ed.) Citation

Erbe, R., and G. Walch. An Interactive Guidance System for Method Libraries. Heidelberg: IBM Wiss. Zentrum, 1975.

MLA (9th ed.) Citation

Erbe, R., and G. Walch. An Interactive Guidance System for Method Libraries. IBM Wiss. Zentrum, 1975.

Warning: These citations may not always be 100% accurate.