Παραπομπή APA

Mohr, C. E. (1966). life of the cave. McGraw-Hill.

Παραπομπή Chicago Style

Mohr, Charles E. Life of the Cave. New York: McGraw-Hill, 1966.

Παραπομπή MLA

Mohr, Charles E. Life of the Cave. McGraw-Hill, 1966.