APA Style

A simple and practical guide for perspective. (). [s.l]: [s.n].

Chicago Style

A simple and practical guide for perspective. . [s.l]: [s.n], . Text.

MLA Style

A simple and practical guide for perspective. . [s.l]: [s.n], . Text.

Turabian Style

A simple and practical guide for perspective. [s.l]: [s.n], . Print.