Cita APA (7th ed.)

Lefkovitz, D. (1969). File structures for on-line systems. Hayden Book Co., Inc.

Cita Chicago (17th ed.)

Lefkovitz, David. File Structures for On-line Systems. Rochelle Park, N.J: Hayden Book Co., Inc, 1969.

Cita MLA (9th ed.)

Lefkovitz, David. File Structures for On-line Systems. Hayden Book Co., Inc, 1969.