Cita APA (7a ed.)

Jonkman, R. M. (1967). Rotational relaxation in hydrogen isotope-noble gas mixtures. [no pub.].

Cita Chicago Style (17a ed.)

Jonkman, Robert Maarten. Rotational Relaxation in Hydrogen Isotope-noble Gas Mixtures. Leiden: [no pub.], 1967.

Cita MLA (8a ed.)

Jonkman, Robert Maarten. Rotational Relaxation in Hydrogen Isotope-noble Gas Mixtures. [no pub.], 1967.