APA aipamena

Geisel, T. S. (1938). 500 hats of Bartholomew Cubbins. Vanguard.

Chicago Style aipamena

Geisel, Theodor Seuss. 500 Hats of Bartholomew Cubbins. [S.l.]: Vanguard, 1938.

MLA aipamena

Geisel, Theodor Seuss. 500 Hats of Bartholomew Cubbins. Vanguard, 1938.