APA (7th ed.) Citation

Cross, D. (2018). Air supplied (Second ePDF edition.). punctum books.

Chicago Style (17th ed.) Citation

Cross, David. Air Supplied. Second ePDF edition. Brooklyn, NY: punctum books, 2018.

MLA (9th ed.) Citation

Cross, David. Air Supplied. Second ePDF edition. punctum books, 2018.

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