APA (7th ed.) Citation

Sidek, N. F. (2013). Types of muscle activated during crunch performed traditionally and on stability ball / Nurul Fizan Sidek.

Chicago Style (17th ed.) Citation

Sidek, Nurul Fizan. Types of Muscle Activated During Crunch Performed Traditionally and on Stability Ball / Nurul Fizan Sidek. 2013.

MLA (8th ed.) Citation

Sidek, Nurul Fizan. Types of Muscle Activated During Crunch Performed Traditionally and on Stability Ball / Nurul Fizan Sidek. 2013.

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