APA

Porter Q. N., Baldas J., . (1971). Mass spectrometry of heterocyclic compounds. New York: Wiley-Interscience.

Chicago

Porter Q N, Baldas J, . 1971. Mass spectrometry of heterocyclic compounds. New York: Wiley-Interscience.

Harvard

Porter Q. N., Baldas J., . (1971). Mass spectrometry of heterocyclic compounds. New York: Wiley-Interscience.

MLA

Porter Q N, Baldas J, . Mass spectrometry of heterocyclic compounds. New York: Wiley-Interscience. 1971.