Cita APA (7a ed.)

Bolton, E., & Goodwin, D. (1967). An introduction to pool exercises (3rd edition.). E.& S. Livingstone.

Cita Chicago Style (17a ed.)

Bolton, Elizabeth, y Diana Goodwin. An Introduction to Pool Exercises. 3rd edition. Edinburgh: E.& S. Livingstone, 1967.

Cita MLA (9a ed.)

Bolton, Elizabeth, y Diana Goodwin. An Introduction to Pool Exercises. 3rd edition. E.& S. Livingstone, 1967.