Cita APA (7th ed.)

Lam, N. S. N., & De Cola, L. (1993). Fractals in geography. PTR Prentice Hall.

Cita Chicago (17th ed.)

Lam, Nina Siu Ngan, i Lee De Cola. Fractals in Geography. Englewood Cliffs, N.J: PTR Prentice Hall, 1993.

Cita MLA (9th ed.)

Lam, Nina Siu Ngan, i Lee De Cola. Fractals in Geography. PTR Prentice Hall, 1993.