APA (7th ed.) Citation

Hammer, D. (1988). Peak energy: The high-oxigen program for more energy now! G.P. Putnam's.

Chicago Style (17th ed.) Citation

Hammer, Daniel. Peak Energy: The High-oxigen Program for More Energy Now! G.P. Putnam's, 1988.

MLA (9th ed.) Citation

Hammer, Daniel. Peak Energy: The High-oxigen Program for More Energy Now! G.P. Putnam's, 1988.

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