APA (7 वां संस्करण) प्रशस्ति पत्र

Siegel, E. The Returns of Herbert Marcuse: Elke Siegel. "Escape to Life" : German Intellectuals in New York ; a Compendium on Exile after 1933.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Siegel, Elke. "The Returns of Herbert Marcuse: Elke Siegel." "Escape to Life" : German Intellectuals in New York ; a Compendium on Exile After 1933 .

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Siegel, Elke. "The Returns of Herbert Marcuse: Elke Siegel." "Escape to Life" : German Intellectuals in New York ; a Compendium on Exile After 1933, .