Cita APA (7th ed.)

Pickard, G. L. (1990). Descriptive physical oceanography: An introduction (5th.edition.). Butterworth Heinemann.

Cita Chicago (17th ed.)

Pickard, George Lawson. Descriptive Physical Oceanography: An Introduction. 5th.edition. Oxford, England: Butterworth Heinemann, 1990.

Cita MLA (9th ed.)

Pickard, George Lawson. Descriptive Physical Oceanography: An Introduction. 5th.edition. Butterworth Heinemann, 1990.