Cita APA (7th ed.)

Laporte, L. F. (1968). Ancient environments. Prentice-Hall.

Cita Chicago (17th ed.)

Laporte, Leo F. Ancient Environments. Englewood Cliffs, N.J: Prentice-Hall, 1968.

Cita MLA (9th ed.)

Laporte, Leo F. Ancient Environments. Prentice-Hall, 1968.