APA (7th ed.) Citation

Packard William V. (1981). Voyage estimating (2nd ed.). Fairplay.

Chicago Style (17th ed.) Citation

Packard William V. Voyage Estimating. 2nd ed. Fairplay, 1981.

MLA (8th ed.) Citation

Packard William V. Voyage Estimating. 2nd ed. Fairplay, 1981.

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