APA (7th ed.) Citation

O'Reilly (Firm), publisher, & Muschko, B. (2019). Certified Jenkins engineer (CJE) prep course ([First edition].). O'Reilly Media, Inc.

Chicago Style (17th ed.) Citation

O'Reilly (Firm), publisher, and Benjamin Muschko. Certified Jenkins Engineer (CJE) Prep Course. [First edition]. [Place of publication not identified]: O'Reilly Media, Inc, 2019.

MLA (9th ed.) Citation

O'Reilly (Firm), publisher, and Benjamin Muschko. Certified Jenkins Engineer (CJE) Prep Course. [First edition]. O'Reilly Media, Inc, 2019.