APA

Knewstubb P. F., . (1969). Mass spectrometry and ion molecule reactions. New York: Cambridge at the University Press.

Chicago

Knewstubb P F, . 1969. Mass spectrometry and ion molecule reactions. New York: Cambridge at the University Press.

Harvard

Knewstubb P. F., . (1969). Mass spectrometry and ion molecule reactions. New York: Cambridge at the University Press.

MLA

Knewstubb P F, . Mass spectrometry and ion molecule reactions. New York: Cambridge at the University Press. 1969.