APA (7th ed.) Citation

Parkin, A. (1975). COBOL for students. Edward Arnold.

Chicago Style (17th ed.) Citation

Parkin, Andrew. COBOL for Students. London: Edward Arnold, 1975.

MLA (8th ed.) Citation

Parkin, Andrew. COBOL for Students. Edward Arnold, 1975.

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