APA (7th ed.) Citation

Heckathorn, T. (2000). Porter, Russell Williams (1871-1949), Arctic explorer and astronomer. Oxford University Press.

Chicago Style (17th ed.) Citation

Heckathorn, Ted. Porter, Russell Williams (1871-1949), Arctic Explorer and Astronomer. Oxford University Press, 2000.

MLA (9th ed.) Citation

Heckathorn, Ted. Porter, Russell Williams (1871-1949), Arctic Explorer and Astronomer. Oxford University Press, 2000.

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