Cita APA (7a ed.)
Burroughs, E. R. (1963). Tarzan at the Earth's Core. Ace Books.
Cita estilo Chicago (17a ed.)
Burroughs, Edgar Rice. Tarzan at the Earth's Core. Nueva York, EUA: Ace Books, 1963.
Cita MLA (9a ed.)
Burroughs, Edgar Rice. Tarzan at the Earth's Core. Ace Books, 1963.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.