APA (7th ed.) Citation

Gilvert, J. (1979). Charting the vast pacific. Readers Digest Association.

Chicago Style (17th ed.) Citation

Gilvert, John. Charting the Vast Pacific. London: Readers Digest Association, 1979.

MLA (9th ed.) Citation

Gilvert, John. Charting the Vast Pacific. Readers Digest Association, 1979.

Warning: These citations may not always be 100% accurate.