Gaya APA

Rittmann, A., Vincent, E. A. (1960). Volcanoes and Their Activity . New York: John Wiley and Sons.

Gaya Chicago

Rittmann, A., Vincent, E. A. Volcanoes and Their Activity. New York: John Wiley and Sons, 1960. Text.

Gaya MLA

Rittmann, A., Vincent, E. A. Volcanoes and Their Activity. New York: John Wiley and Sons, 1960. Text.

Gaya Turabian

Rittmann, A., Vincent, E. A. Volcanoes and Their Activity. New York: John Wiley and Sons, 1960. Print.