APA (7th ed.) Citation

Kork, J. O. (1986). JKDIGIT, a program to control a digitizing board for geologists, written in BASIC for an IBM Personal Computer. U.S. G.P.O..

Chicago Style (17th ed.) Citation

Kork, John O. JKDIGIT, a Program to Control a Digitizing Board for Geologists, Written in BASIC for an IBM Personal Computer. Washington: U.S. G.P.O., 1986.

MLA (9th ed.) Citation

Kork, John O. JKDIGIT, a Program to Control a Digitizing Board for Geologists, Written in BASIC for an IBM Personal Computer. U.S. G.P.O., 1986.