APA (7th ed.) Citation

Boom, H. J. (1976). Extended type checking (Prepubl.).

Chicago Style (17th ed.) Citation

Boom, Hendrik J. Extended Type Checking. Prepubl. Amsterdam, 1976.

MLA (9th ed.) Citation

Boom, Hendrik J. Extended Type Checking. Prepubl. 1976.

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