APA (7th ed.) Citation

Lado, R. (1973). Lado English series: A complete course in English as a second language. Regents Publishing Company.

Chicago Style (17th ed.) Citation

Lado, Robert. Lado English Series: A Complete Course in English as a Second Language. Regents Publishing Company, 1973.

MLA (8th ed.) Citation

Lado, Robert. Lado English Series: A Complete Course in English as a Second Language. Regents Publishing Company, 1973.

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