APA (7th ed.) Citation

Cohen, M. (2018). Take Control of PDFpen 10 (1st edition.). Take Control Books.

Chicago Style (17th ed.) Citation

Cohen, Michael. Take Control of PDFpen 10. 1st edition. Take Control Books, 2018.

MLA (9th ed.) Citation

Cohen, Michael. Take Control of PDFpen 10. 1st edition. Take Control Books, 2018.

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