APA (7th ed.) Citation

Werner-Ferrel, S. D. (1989). A comparison of the ratio of shoulder concentric internal rotation to eccentric external rotation of male swimmers vs. nonswimmers. [publisher not identified].

Chicago Style (17th ed.) Citation

Werner-Ferrel, Sally Danica. A Comparison of the Ratio of Shoulder Concentric Internal Rotation to Eccentric External Rotation of Male Swimmers Vs. Nonswimmers. [Place of publication not identified]: [publisher not identified], 1989.

MLA (9th ed.) Citation

Werner-Ferrel, Sally Danica. A Comparison of the Ratio of Shoulder Concentric Internal Rotation to Eccentric External Rotation of Male Swimmers Vs. Nonswimmers. [publisher not identified], 1989.