APA (7th ed.) Citation

Niini, A. (1953). An indirect method for determining the ionisation potentials of nonpolar molecules.

Chicago Style (17th ed.) Citation

Niini, Aarno. An Indirect Method for Determining the Ionisation Potentials of Nonpolar Molecules. Helsinki, 1953.

MLA (9th ed.) Citation

Niini, Aarno. An Indirect Method for Determining the Ionisation Potentials of Nonpolar Molecules. 1953.

Warning: These citations may not always be 100% accurate.