APA (7th ed.) Citation

(1987). Input, output (Authorized German language ed., 4. German pr.). Time-Life-Books.

Chicago Style (17th ed.) Citation

Input, Output. Authorized German language ed., 4. German pr. Amsterdam: Time-Life-Books, 1987.

MLA (9th ed.) Citation

Input, Output. Authorized German language ed., 4. German pr. Time-Life-Books, 1987.

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