Richard, J. D., & Hughes, D. A. Some observations of sea turtle nesting activity in Costa Rica. [S.l.]: [s.n.].
Chicago Style CitationRichard, J. D., and D. A. Hughes. Some Observations of Sea Turtle Nesting Activity in Costa Rica. [S.l.]: [s.n.].
MLA CitationRichard, J. D., and D. A. Hughes. Some Observations of Sea Turtle Nesting Activity in Costa Rica. [S.l.]: [s.n.].
Warning: These citations may not always be 100% accurate.