Cita APA (7th ed.)

Sommer, R. (1969). Personal space: The behavioral basis of design. Prentice-Hall.

Cita Chicago (17th ed.)

Sommer, Robert. Personal Space: The Behavioral Basis of Design. Englewood Cliffs, N.J: Prentice-Hall, 1969.

Cita MLA (9th ed.)

Sommer, Robert. Personal Space: The Behavioral Basis of Design. Prentice-Hall, 1969.