APA (7th ed.) Citation

Willson, K. R. (1965). The relative effects of various foot spacings on performance in the vertical jump. [publisher not identified].

Chicago Style (17th ed.) Citation

Willson, Kent R. The Relative Effects of Various Foot Spacings on Performance in the Vertical Jump. [Place of publication not identified]: [publisher not identified], 1965.

MLA (9th ed.) Citation

Willson, Kent R. The Relative Effects of Various Foot Spacings on Performance in the Vertical Jump. [publisher not identified], 1965.