APA Style

MANDINO, OG. (1978). GREATEST SECRET IN THE WORLD, THE (CET. 1 / 1978). NEW YORK: BANTAM BOOKS, INC..

Chicago Style

MANDINO, OG. GREATEST SECRET IN THE WORLD, THE. CET. 1 / 1978 NEW YORK: BANTAM BOOKS, INC., 1978. Text.

MLA Style

MANDINO, OG. GREATEST SECRET IN THE WORLD, THE. CET. 1 / 1978 NEW YORK: BANTAM BOOKS, INC., 1978. Text.

Turabian Style

MANDINO, OG. GREATEST SECRET IN THE WORLD, THE. CET. 1 / 1978 NEW YORK: BANTAM BOOKS, INC., 1978. Print.