Cita APA (7a ed.)

Four Leaf Towers and four Oaks, Houston, Texas; design: 1979-80.

Cita Chicago Style (17a ed.)

Four Leaf Towers and Four Oaks, Houston, Texas; Design: 1979-80.

Cita MLA (9a ed.)

Four Leaf Towers and Four Oaks, Houston, Texas; Design: 1979-80.