Gaya APA

Ehrlich, R., Press, P. (1993). Mathematical Geology Volume 25, Number 7 (Ed. 1). United States of America: Plenum Press.

Gaya MLA

Ehrlich, Robert., Press, Plenum. "Mathematical Geology Volume 25, Number 7". Ed. 1 United States of America: Plenum Press, 1993. Journal.