APA (7th ed.) Citation

Ortleb, C., & Fiala, R. (1978). Relax!: This book is only a phase you're going through. St. Martin's Press.

Chicago Style (17th ed.) Citation

Ortleb, Charles, and Richard Fiala. Relax!: This Book Is Only a Phase You're Going Through. New York, N.Y.: St. Martin's Press, 1978.

MLA (9th ed.) Citation

Ortleb, Charles, and Richard Fiala. Relax!: This Book Is Only a Phase You're Going Through. St. Martin's Press, 1978.