Ferris, B. F. (1966). The relationship between spinal flexibility and selected measures of abdominal strength and endurance. [publisher not identified].
Chicago Style (17th ed.) CitationFerris, Blake Franklyn. The Relationship Between Spinal Flexibility and Selected Measures of Abdominal Strength and Endurance. [Place of publication not identified]: [publisher not identified], 1966.
MLA (9th ed.) CitationFerris, Blake Franklyn. The Relationship Between Spinal Flexibility and Selected Measures of Abdominal Strength and Endurance. [publisher not identified], 1966.
Warning: These citations may not always be 100% accurate.