Cita APA (7a ed.)

Callahan, P. (1951). The law of Real Estate in all 48 states: A guide to the purchase and sale of property (2nd ed.). Oceana.

Cita Chicago Style (17a ed.)

Callahan, Parnell. The Law of Real Estate in All 48 States: A Guide to the Purchase and Sale of Property. 2nd ed. New York: Oceana, 1951.

Cita MLA (9a ed.)

Callahan, Parnell. The Law of Real Estate in All 48 States: A Guide to the Purchase and Sale of Property. 2nd ed. Oceana, 1951.