APA (7th ed.) Citation

Aller, L. H. (1956). Gaseous nebulae. Chapman and Hall.

Chicago Style (17th ed.) Citation

Aller, Lawrence H. Gaseous Nebulae. 37 Essex Street, W.C.2: Chapman and Hall, 1956.

MLA (9th ed.) Citation

Aller, Lawrence H. Gaseous Nebulae. Chapman and Hall, 1956.