APA (7th ed.) Citation

Goddard, J. B., & Kirby, A. (1976). An introduction to factor analysis. Geo Abstracts.

Chicago Style (17th ed.) Citation

Goddard, John B., and Andrew Kirby. An Introduction to Factor Analysis. Norwich: Geo Abstracts, 1976.

MLA (9th ed.) Citation

Goddard, John B., and Andrew Kirby. An Introduction to Factor Analysis. Geo Abstracts, 1976.