Cita APA (7th ed.)

Addison, J., Howison, S., & King, J. (2006). Ray methods for free boundary problems.

Cita Chicago (17th ed.)

Addison, J., S. Howison, i J. King. Ray Methods for Free Boundary Problems. 2006.

Cita MLA (9th ed.)

Addison, J., et al. Ray Methods for Free Boundary Problems. 2006.