APA (7th ed.) Citation

New York Ladas, G. E. 1. Differential equation in abstract spaces.

Chicago Style (17th ed.) Citation

New York Ladas, G. E. 1972. Differential Equation in Abstract Spaces.

MLA (9th ed.) Citation

New York Ladas, G. E. 1972. Differential Equation in Abstract Spaces.

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