APA (7th ed.) Citation

Tudor-Locke Catrine, Craig Cora L, Aoyagi Yukitoshi, Bell Rhonda C, Croteau Karen A, De Bourdeaudhuij Ilse, . . . Blair Steven N. (2011). How many steps/day are enough? For older adults and special populations. BMC.

Chicago Style (17th ed.) Citation

Tudor-Locke Catrine, et al. How Many Steps/day Are Enough? For Older Adults and Special Populations. BMC, 2011.

MLA (9th ed.) Citation

Tudor-Locke Catrine, et al. How Many Steps/day Are Enough? For Older Adults and Special Populations. BMC, 2011.

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