APA

Lettevall E. R. C. J. N. S. E. D. S. W. H. C. J. M. H. P., . (2002). Social structure and residency in aggregations of male sperm whales. : .

Chicago

Lettevall E Richter C Jaquet N Slooten E Dawson S Whitehead H Cristal J McCall Howard P, . 2002. Social structure and residency in aggregations of male sperm whales. : .

Harvard

Lettevall E. R. C. J. N. S. E. D. S. W. H. C. J. M. H. P., . (2002). Social structure and residency in aggregations of male sperm whales. : .

MLA

Lettevall E Richter C Jaquet N Slooten E Dawson S Whitehead H Cristal J McCall Howard P, . Social structure and residency in aggregations of male sperm whales. : . 2002.