Cita APA (7th ed.)

Hamblin, W. K., & Murphy, J. R. (1969). Grand Canyon perspectives: A guide to the canyon scenery by means of interpretive panoramas. W. Kenneth Hamblin and Joseph R. Murphy.

Cita Chicago (17th ed.)

Hamblin, W. Kenneth, i Joseph Robison Murphy. Grand Canyon Perspectives: A Guide to the Canyon Scenery by Means of Interpretive Panoramas. [Provo, Utah: W. Kenneth Hamblin and Joseph R. Murphy, 1969.

Cita MLA (8th ed.)

Hamblin, W. Kenneth, i Joseph Robison Murphy. Grand Canyon Perspectives: A Guide to the Canyon Scenery by Means of Interpretive Panoramas. W. Kenneth Hamblin and Joseph R. Murphy, 1969.