Cita APA (7th ed.)

Ward, S. (1990). Biological samples and balance sheets. Institute of Cetacean Research.

Cita Chicago (17th ed.)

Ward, Simon. Biological Samples and Balance Sheets. Tokio: Institute of Cetacean Research, 1990.

Cita MLA (9th ed.)

Ward, Simon. Biological Samples and Balance Sheets. Institute of Cetacean Research, 1990.