APA Цитирование

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

Chicago-стиль цитирования

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

MLA-цитирование

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

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.