Gaya APA

Kenzie, R, M., Kubey, C. (2000). 7 steps to a pain-free life: how to rapidly relieve back and neck pain . new york: Penguin Group.

Gaya MLA

Kenzie, Robin, Mc., Kubey, Craig. "7 steps to a pain-free life: how to rapidly relieve back and neck pain". new york: Penguin Group, 2000. Text.