Cita APA (7th ed.)

Gnädig, P., Honyek, G., & Riley, K. F. (2001). 200 puzzling physics problems (1a. ed.). Cambridge University.

Cita Chicago (17th ed.)

Gnädig, Peter, Gyula Honyek, i Ken F. Riley. 200 Puzzling Physics Problems. 1a. ed. Cambridge: Cambridge University, 2001.

Cita MLA (9th ed.)

Gnädig, Peter, et al. 200 Puzzling Physics Problems. 1a. ed. Cambridge University, 2001.