Cita APA (7th ed.)

Fitzsimons, F. W. (1930). Pythons and their ways. George G. Harrap.

Cita Chicago (17th ed.)

Fitzsimons, Frederick W. Pythons and Their Ways. London: George G. Harrap, 1930.

Cita MLA (9th ed.)

Fitzsimons, Frederick W. Pythons and Their Ways. George G. Harrap, 1930.