APA (7th ed.) Citation

Verne, J., & Geeham, W. (1990). A journey to the center of the earth. Troll Associates.

Chicago Style (17th ed.) Citation

Verne, Jules, and Wayne Geeham. A Journey to the Center of the Earth. s.l.: Troll Associates, 1990.

MLA (9th ed.) Citation

Verne, Jules, and Wayne Geeham. A Journey to the Center of the Earth. Troll Associates, 1990.

Warning: These citations may not always be 100% accurate.