APA (7th ed.) Citation

Computers for Professionals (Firm). (1985). Geoscience software directory for the IBM PC & compatibles. D. Reidel.

Chicago Style (17th ed.) Citation

Computers for Professionals (Firm). Geoscience Software Directory for the IBM PC & Compatibles. Dordrecht: D. Reidel, 1985.

MLA (9th ed.) Citation

Computers for Professionals (Firm). Geoscience Software Directory for the IBM PC & Compatibles. D. Reidel, 1985.