Стиль цитування APA (7-ме видання)

Riddel, J. N. Thresholds of the sign: Reflections on "American" poetics / Joseph N. Riddel. Theorizing American literature : Hegel, the sign, and history.(1991).

Чикаго стиль цитування (17-те видання)

Riddel, Joseph N. "Thresholds of the Sign: Reflections on "American" Poetics / Joseph N. Riddel." Theorizing American Literature : Hegel, the Sign, and History.(1991) .

Стиль цитування MLA (8-ме видання)

Riddel, Joseph N. "Thresholds of the Sign: Reflections on "American" Poetics / Joseph N. Riddel." Theorizing American Literature : Hegel, the Sign, and History.(1991), .