APA (7th ed.) Citation

Romer, A. S. (1968). The procession of life. World Publishing.

Chicago Style (17th ed.) Citation

Romer, Alfred Sherwood. The Procession of Life. Cleveland: World Publishing, 1968.

MLA (9th ed.) Citation

Romer, Alfred Sherwood. The Procession of Life. World Publishing, 1968.

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