APA (7th ed.) Citation

Pryor, F. L. (1972). An international comparison of concentration ratios. [s.n.].

Chicago Style (17th ed.) Citation

Pryor, Frederic L. An International Comparison of Concentration Ratios. [S.l.]: [s.n.], 1972.

MLA (9th ed.) Citation

Pryor, Frederic L. An International Comparison of Concentration Ratios. [s.n.], 1972.

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