APA (7th ed.) Citation

Croft, C. (2021). Four personality types. Udemy.

Chicago Style (17th ed.) Citation

Croft, Chris. Four Personality Types. [Place of publication not identified]: Udemy, 2021.

MLA (9th ed.) Citation

Croft, Chris. Four Personality Types. Udemy, 2021.

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