APA (7th ed.) Citation

Eysenck, H. J., Arnold, W., & Meili, R. (1972). Encyclopedia of psychology. Herder and Herder.

Chicago Style (17th ed.) Citation

Eysenck, H. J., Wilhelm Arnold, and Richard Meili. Encyclopedia of Psychology. [New York]: Herder and Herder, 1972.

MLA (9th ed.) Citation

Eysenck, H. J., et al. Encyclopedia of Psychology. Herder and Herder, 1972.

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