APA (7th ed.) Citation

Schaffer, B. B. (1972). "Easiness of access"--a concept of queues. Research Publications Services.

Chicago Style (17th ed.) Citation

Schaffer, Benjamin Bernard. "Easiness of Access"--a Concept of Queues. London: Research Publications Services, 1972.

MLA (9th ed.) Citation

Schaffer, Benjamin Bernard. "Easiness of Access"--a Concept of Queues. Research Publications Services, 1972.

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