Cita APA (7a ed.)

Hughes, R. V. (1978). Oil property valuation. Robert E Krieger.

Cita Chicago Style (17a ed.)

Hughes, Richard V. Oil Property Valuation. Florida: Robert E Krieger, 1978.

Cita MLA (8a ed.)

Hughes, Richard V. Oil Property Valuation. Robert E Krieger, 1978.