Cite Them Right 11th edition - Harvard

Robert Lafore and Robert Lafore (2002) Data Structures and Algorithms in Java.

Chicago Manual of Style 17th edition (full note)

Robert Lafore, and Robert Lafore. Data Structures and Algorithms in Java.

American Psychological Association 7th edition

Robert Lafore, & Robert Lafore. (2002). Data Structures and Algorithms in Java.

Modern Language Association 9th edition

Robert Lafore, and Robert Lafore. Data Structures and Algorithms in Java. 2002.

ISO-690 (author-date, Deutsch)

ROBERT LAFORE and ROBERT LAFORE, 2002. Data Structures and Algorithms in Java

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