APA aipamena

Messner, R. (1974). The seventh grade: Most extreme climbing. Kaye & Ward.

Chicago Style aipamena

Messner, Reinhold. The Seventh Grade: Most Extreme Climbing. London: Kaye & Ward, 1974.

MLA aipamena

Messner, Reinhold. The Seventh Grade: Most Extreme Climbing. Kaye & Ward, 1974.