APA (7th ed.) Citation

Packard, W. V. (1979). Laytime calculating. Fairplay.

Chicago Style (17th ed.) Citation

Packard, William V. Laytime Calculating. London: Fairplay, 1979.

MLA (9th ed.) Citation

Packard, William V. Laytime Calculating. Fairplay, 1979.

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