APA

Cassidy D., Holton G. & Ruthertehrford J. (2002). Understanding physics. New York: Springer-Verlag.

Chicago

Cassidy David, Holton Gerald and Ruthertehrford James. 2002. Understanding physics. New York: Springer-Verlag.

Harvard

Cassidy D., Holton G. and Ruthertehrford J. (2002). Understanding physics. New York: Springer-Verlag.

MLA

Cassidy David, Holton Gerald and Ruthertehrford James. Understanding physics. New York: Springer-Verlag. 2002.