Cita APA (7a ed.)

Unknown creator; St. Louis University; Parks College of Saint Louis University. (1972). Student uses a slide rule.

Cita Chicago Style (17a ed.)

Unknown creator; St. Louis University; Parks College of Saint Louis University. Student Uses a Slide Rule. 1972.

Cita MLA (8a ed.)

Unknown creator; St. Louis University; Parks College of Saint Louis University. Student Uses a Slide Rule. 1972.