APA (7th ed.) Citation

Firth, R. W. (1983). Human types. Greenwood.

Chicago Style (17th ed.) Citation

Firth, Raymond William. Human Types. Westport: Greenwood, 1983.

MLA (9th ed.) Citation

Firth, Raymond William. Human Types. Greenwood, 1983.

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