APA (7th ed.) Citation

(1930). Penetration studies. by H. Wyatt Johnston and O. Maass. I, The Path of liquid penetration in Jack Pine.

Chicago Style (17th ed.) Citation

Penetration Studies. by H. Wyatt Johnston and O. Maass. I, The Path of Liquid Penetration in Jack Pine. 1930.

MLA (9th ed.) Citation

Penetration Studies. by H. Wyatt Johnston and O. Maass. I, The Path of Liquid Penetration in Jack Pine. 1930.

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