APA (7th ed.) Citation

Lado, R. (1979). Lado english series. Vol. 4 workbook. Regents Publ. Comp.

Chicago Style (17th ed.) Citation

Lado, Robert. Lado English Series. Vol. 4 Workbook. Regents Publ. Comp, 1979.

MLA (8th ed.) Citation

Lado, Robert. Lado English Series. Vol. 4 Workbook. Regents Publ. Comp, 1979.

Warning: These citations may not always be 100% accurate.