The "Pocket Guide to APA Style" by Robert Perrin is a compact reference book published by Cengage Learning in 2003. This guide covers subjects in Education, Psychology, Language Arts & Disciplines, and Social Science, focusing on Methodology and General principles. With 148 pages, it provides a comprehensive overview of APA style in a convenient pocket-sized format. Written in English, it is an essential resource for students and professionals in higher education looking for guidance on proper citation and formatting.