APA (7th ed.) Citation

Rittmann, A., & Rittmann, L. (1976). I vulcani. Ist. Geograf. de Agostini.

Chicago Style (17th ed.) Citation

Rittmann, Alfred, and Loredana Rittmann. I Vulcani. Novara: Ist. Geograf. de Agostini, 1976.

MLA (9th ed.) Citation

Rittmann, Alfred, and Loredana Rittmann. I Vulcani. Ist. Geograf. de Agostini, 1976.

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