Citazione Stile APA (7a Edizione)

Trettien, A. W. (1935). Why we feel that way: An analysis of the human emotions. Stratford.

Citazione stile Chigago Style (17a edizione)

Trettien, Augustus William. Why We Feel That Way: An Analysis of the Human Emotions. Boston: Stratford, 1935.

Citatione MLA (9a ed.)

Trettien, Augustus William. Why We Feel That Way: An Analysis of the Human Emotions. Stratford, 1935.