APA (7th ed.) Citation

Atkinson, W. W. (2012). The Psychology of Salesmanship. Project Gutenberg.

Chicago Style (17th ed.) Citation

Atkinson, William Walker. The Psychology of Salesmanship. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Atkinson, William Walker. The Psychology of Salesmanship. Project Gutenberg, 2012.

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