Cita APA (7th ed.)

Verne, J., & Schwach, H. J. (2002). A journey to the center of the earth. ABDO Pub..

Cita Chicago (17th ed.)

Verne, Jules, i Howard J. Schwach. A Journey to the Center of the Earth. Edina, Minn.: ABDO Pub., 2002.

Cita MLA (8th ed.)

Verne, Jules, i Howard J. Schwach. A Journey to the Center of the Earth. ABDO Pub., 2002.