Cite Them Right 11th edition - Harvard

Fernández Villán, A. (2019) Mastering Open CV 4 with Python : a practical guide covering topics from image processing, augmented reality to deep learning with Open CV 4 and Python 3.7 [book]. Birmingham, UK: Packt.

Chicago Manual of Style 17th edition (full note)

Fernández Villán, Alberto. Mastering Open CV 4 with Python : a practical guide covering topics from image processing, augmented reality to deep learning with Open CV 4 and Python 3.7. Book. Birmingham, UK: Packt, [2019?], Birmingham, UK: Packt, [2019?].

American Psychological Association 7th edition

Fernández Villán, A. (ca. 2019). Mastering Open CV 4 with Python : a practical guide covering topics from image processing, augmented reality to deep learning with Open CV 4 and Python 3.7 [Book]. Packt.

Modern Language Association 9th edition

Fernández Villán, A. Mastering Open CV 4 with Python : a practical guide covering topics from image processing, augmented reality to deep learning with Open CV 4 and Python 3.7. book, Packt, 2019.

ISO-690 (author-date, Deutsch)

FERNÁNDEZ VILLÁN, Alberto, 2019. Mastering Open CV 4 with Python : a practical guide covering topics from image processing, augmented reality to deep learning with Open CV 4 and Python 3.7. Birmingham, UK: Packt. ISBN 1789344913

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.