American Psychological Association 6th edition

HANSON DR. (n.d.). THE Y PROGRAMMING LANGUAGE.

ISO-690 (author-date, English)

HANSON DR, [no date]. THE Y PROGRAMMING LANGUAGE. .

Modern Language Association 9th edition

HANSON DR. THE Y PROGRAMMING LANGUAGE.

Mohr Siebeck - Recht (Deutsch - Österreich)

HANSON DR: THE Y PROGRAMMING LANGUAGE,

Emerald - Harvard

HANSON DR. (n.d.). “THE Y PROGRAMMING LANGUAGE”.

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